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	Waldo Semon - Wikipedia, the free encyclopedia
		Waldo Lonsbury Semon (September 10, 1898-May 26, 1999) was a renowned American inventor born in Demopolis, Alabama.
		In all, Semon held 116 patents, and was inducted into the Invention Hall of Fame in 1995 at age 97.
		Semon graduated from the University of Washington earning a BS in chemistry and a PhD in chemical engineering.
	en.wikipedia.org /wiki/Waldo_Semon (171 words)

	Waldo Semon
		Semon put his name into the history books for inventing vinyl, the world's second most used plastic.
		Semon also devised the formula for bubble gum, which he patented along with vinyl in 1926.
		Semon found the formula for vinyl by mixing a few synthetic polymers, and the result was a substance that was elastic, but wasn't adhesive.
	www.ebroadcast.com.au /lookup/encyclopedia/wa/Waldo_Semon.html (94 words)

	Inventor of the Week: Archive
		Waldo Semon took a detour in his assigned laboratory research one day and ended up inventing the world's second-best-selling plastic: polyvinyl chloride, a.k.a.
		Semon was born in 1898 in Demopolis, Alabama, but moved with his family when he was seven to Washington State.
		Semon's recruiter was a former mentor at UW, Harry Trumbull.
	web.mit.edu /invent/iow/semon.html (627 words)

	Waldo Semon
		Waldo Lonsbury Semon, whose father was a Civil Engineer, was born in Alhabama, USA on 10 September 1898.
		Semon's research into synthetic rubbers continued and in 1931 discovered a synthetic rubber 'bubble gum' - a product on which Goodrich failed to capitalise - and in 1940 introduced 'Liberty Rubber' just as stockpiles of natural rubber were being exhausted by the war effort.
		In 1954, Semon was appointed Director of Polymer Research at Goodrich and in 1962 Director of Corporate Forward Technology.
	www.plastiquarian.com /semon.htm (207 words)

	Invent Now \| Hall of Fame \| Search \| Inventor Profile
		In 1926 Waldo Semon, newly employed in the research department at The BFGoodrich Company in Akron, Ohio, decided to pursue a dubious project.
		Semon never succeeded in creating the adhesive, but by heating PVC in a solvent at a high boiling point he discovered a substance that was both flexible and elastic.
		While research director at BFG, Semon provided the technical leadership that fueled the discovery of three major new families of polymeric materials: thermoplastic polyurethane, synthetic 'natural' rubber, and the first oil-resistant synthetic rubbers.
	www.invent.org /hall_of_fame/131.html (284 words)

	Untitled Document
		What Waldo discovered, and others had missed, was that when the powder was dissolved in certain solvents it swelled to form a gel which was mouldable and had certain rubber-like properties, its hardness and ‘rubberyness’ depending on the amount of solvent present.
		Semon was appointed Chairman of the Technical Committee which had been set up to coordinate the synthesis of Ameripol and the manufacture of tyres from it.
		Waldo Semon continued to work for Goodrich until his 65th birthday in 1963 when he ‘retired’ and took a teaching post at Kent State University but by 1971 his eyesight was failing rapidly and he had to quit.
	www.bouncing-balls.com /timeline/people/s_semon.htm (1812 words)

	The Discovery Of Vinyl (Site not responding. Last check: 2007-11-01)
		In 1926, a man named Waldo Semon was hired by the BF Goodrich Company to develop a kind of substance that would help to bond metal and rubber together.
		Waldo Semon, who was an assistant chemistry teacher with the University of Washington, thus started his research to develop a new manmade adhesive that would be cheaper than available alternatives.
		Waldo successfully molded heels of shoes with PVC and also used it to form coatings for various products such as wires, pliers etc. But the one major thing that Dr. Waldo was not successful was to get PVC to bond to metal, which was what he was trying to develop in the first place.
	www.whatisvinyl.com /discovery.html (461 words)

	BookRags: Waldo L. Semon Biography
		However, it was not until 1930, when the American Waldo L. Semon advanced the use of high-boiling organic esters, especially phosphates, to plasticize polyvinyl chloride, yielding rubber-like masses, that polyvinyl chloride began to find widespread use.
		Semon's expectation was that bubble gum would replace conventional chewing gum.
		Semon was born in Demopolis, Alabama, in 1898.
	www.bookrags.com /biography/waldo-l-semon-woi (400 words)

	For the Media (Site not responding. Last check: 2007-11-01)
		Semon came up with over 100 and, in the process, discovered one of the substances that would put him in the National Inventors Hall of Fame in 1995- polyvinyl chloride (PVC), or as it's more commonly known, vinyl.
		Much of Semon's efforts in the late 1930s and early 1940s were directed at mixing samples of acrylnitrile and styrene in proportions not already covered by patents.
		Semon retired from BFG in 1963, and served for a while as a research professor at Kent State University in Kent, Ohio.
	www.eweek.org /2002/News/Features/gum.shtml (794 words)

	H e a r t l a n d S c i e n c e - - The Ohio Academy of Science -
		Waldo L. Semon (1898-1999), a native of Hudson, Ohio, was a young research chemist with the B.F. Goodrich Company in Akron in 1926 when he attempted to invent a method for converting a waste plastic (called polyvinyl chloride or PVC) into an adhesive that could bond metal to rubber.
		Semon did not succeed with this venture, but through the process of heating the PVC he inadvertently discovered a substance that was both flexible and elastic.
		Down the road, Semon's research also helped lead to the discovery of thermoplastic polyurethane and the first oil-resistant synthetic rubbers.
	www.heartlandscience.org /matrls/pvc.htm (217 words)

	O'Sullivan Films, Inc. - Industry Resources - History of Vinyl
		Dr. Semon's original creation of PVC occurred when he was searching for an alternative to bromide, a critical substance in his experiments on synthetic rubber.
		Semon's first attempts with chloride produced little more than a wispy gas and periodic explosions in his laboratory that made colleagues fear for his safety.
		Dr. Waldo Semon's invention fostered a business that grew to a prominent division at BFGoodrich before it was spun off to become The Geon Company, a full-fledged public company devoted to the production and sale of vinyl, in 1993.
	www.osul.com /ind/hist/index.asp (458 words)

	Waldo Semon (Site not responding. Last check: 2007-11-01)
		In Memoriam: Inventor of Vinyl, Waldo Semon, Dies at 100
		Waldo Semon, a chemist, died May 26 at a nursing home in Hudson Ohio.
		He was 100.We’re sure Waldo went to heaven.
	www.dullmen.com /waldo.htm (167 words)

	PVC Awareness
		Waldo Lonsbury Semon worked for the B.F. Goodrich Company in the United States as a researcher.
		He was trying to dehydrohalogenate PVC in a high boiling solvent in order to obtain an unsaturated polymer that might bond rubber to metal or for any other useful purpose.
		While research director at BFG, Semon provided the technical leadership that fuelled the discovery of three major new families of polymeric materials: thermoplastic polyurethane, synthetic 'natural' rubber, and the first oil-resistant synthetic rubbers.
	www.pvcawareness.com /HistoryofPVC.htm (748 words)

	The Power of Invention: Plastics (Site not responding. Last check: 2007-11-01)
		In 1929, a B.F. Goodrich organic chemist, Waldo Semon, was trying to bind rubber to metal when he stumbled upon a polymer called polyvinyl chloride (PVC).
		It was a lousy adhesive, but when Semon molded it into a ball, it bounced down the hallway -- unusual behavior for a synthetic rubber.
		Semon took a sample of PVC-coated fabric into his boss's office, placed it on top of the in/out basket and dumped a decanter of water over it.
	www.apcnewsmedia.com /site/tertiary.asp?TRACKID=&VID=2&CID=387&DID=1889&PSID=APC (1527 words)

	Extras: Waldo Semon - He Helped Save the World (Site not responding. Last check: 2007-11-01)
		Semon, who died at the age of 100 on May 26 at a nursing home in Hudson, Ohio, changed our world and then helped to save it during his long and distinguished career as a chemist at B.F. Goodrich.
		He was perhaps most famous for bringing about the age of vinyl, after he was able to convert polyvinyl chloride from a hard, unworkable substance to a pliable one that is used in hundreds of products and accounts for a $20 billion industry.
		Semon was born on Sept. 10, 1898, in Demopolis, Ala., the son of a civil engineer.
	www.washington.edu /alumni/columns/sept99/semon.html (512 words)

	Waldo (Site not responding. Last check: 2007-11-01)
		A mechanical device, such as a gripper arm, that follows the movements of a human limb.
		Waldos were developed by the nuclear industry in the 1940s for handling hazardous substances at a safe distance,...
		Davidson, who makes his living photographing ordinary objects under a high-power Nikon optical mircroscope, was surprised to find the children's book character "Waldo" hiding among the thousands of square microns of circuitry he was looking at...
	gisfigyelo.geocentrum.hu /lexikon/waldo_en.html (122 words)

	Salon Obituary \| Obits this week (Site not responding. Last check: 2007-11-01)
		Waldo Semon, who won a patent for bubble gum, developed vinyl and helped create synthetic rubber during World War II, died Wednesday.
		Semon worked for the Goodyear Tire & Rubber Co., where one of his first assignments was to make a rubber adhesive from polyvinyl chloride.
		Semon had earned 116 U.S. patents, including one for bubble gum.
	www.salon.com /people/obit/1999/05/29/obits/print.html (475 words)

	Waldo L. Semon - Demopolis Live
		Semon was born in Demopolis, Alabama on September 10, 1898.
		Semon taught college for awhile, worked for B.F. Goodrich before dedicating his time being an inventor.
		Semon was elected to the Inventors Hall of Fame 1n 1995 at the age of 97.
	demopolislive.com /forums/showthread.php?p=79867 (402 words)

	UW engineering alumnus behind Ivory, Pampers to turn 100
		Coincidentally, Mills' advisor for his senior thesis was Waldo Semon, a UW alumnus and instructor who went on to invent polyvinyl chloride or vinyl, the second-most-used plastic in the world, as well as bubble gum.
		Semon, also still living, resides in Ohio and will turn 100 on Sept. 10, 1998.
		Semon, then working for B.F. Goodrich, was struggling to develop synthetic rubber for tires needed in the war effort.
	www.washington.edu /newsroom/news/1997archive/03-97archive/k031897.html (951 words)

	Recycling Plastic: Byproduct (Site not responding. Last check: 2007-11-01)
		Waldo Semon, a 28-year-old researcher with B.F. Goodrich, was trying to find a way to coat metal with rubber when he ran out of rubber.
		PVC, used in construction and coatings as a rubber substitute and as the vinyl in textiles and upholstery, is now the second most common plastic in the world.
		Semon eventually got back to his original task and discovered more than 100 ways to coat metal with rubber.
	www.dnr.state.oh.us /recycling/plastics/byproduct.htm (166 words)

	University of Akron News - Nobel Physicist at University April 17
		Akron, Ohio, April 2, 1998 — Nobel Prize-winning physicist Steven Chu is the keynote speaker for the 1998 Waldo Semon Lecture and Undergraduate Research Award Symposium at 11 a.m., April 17 at The University of Akron Goodyear Polymer Center.
		Five finalists for the Waldo Semon Undergraduate Research Award in Polymer Science and Polymer Engineering present seminars describing their research.
		The lecture and symposium are named for Waldo Semon, a pioneering polymer scientist inducted into the National Inventor's Hall of Fame and Goodrich's director of polymer research from 1954-1961.
	www.uakron.edu /news/articles/uamain_72.php (229 words)

	History Of Vinyl 11 Part 12 - The Discovery Of The Vinyl (Site not responding. Last check: 2007-11-01)
		The history of the vinyl really began it's humble beginnings as far back as the 1920's during a search for a synthetic adhesive.
		A rubber scientist by the name of Waldo Semon, in the 1920's stumbled upon on new material that had amazing properties in it's makeup.
		Waldo Semon was so intrigued with his finding, that he began to experiment with this new substance.
	www.vinyl-record-collectors.net /history-of-vinyl11-part12.htm (309 words)

	Slipcue.com Obituary Listings
		Lyndon Waldo Lyon, a horticulturist who was turned into an African violet fanatic by a single leaf and who played a major role in making the African violet one of the country's favorite houseplants, died last Wednesday at Little Falls Hospital in Little Falls, New York.
		Semon earned 116 U.S. patents by the time he retired in 1963, including one for bubble gum.
		In 1995, Semon was inducted into the National Inventors Hall of Fame in Akron.
	www.slipcue.com /obits/01/obits17.html (1349 words)

	Waldo Semon -- an Honorary Unsubscribe
		"They'd throw it in the trash." But, by heating PVC in a solvent, Semon produced vinyl, which was flexible, elastic, waterproof, fire resistant, and did not conduct electricity.
		Semon was awarded 116 patents by the time he retired in 1963, but strangely he isn't known as much for vinyl as another everyday product: bubble gum.
		Semon, who was inducted into the National Inventors Hall of Fame in 1995, died May 26 in Ohio at age 100.
	www.honoraryunsubscribe.com /waldo_semon.html (557 words)

	History of Vinyl
		Although this material was examined by other scientists, none could find a commercial use for it.
		The 1920s In 1926, Dr. Waldo Semon, a researcher at The BFGoodrich Company in Akron, Ohio, was attempting to find an adhesive that would bond rubber to metal.
		Of the more than 30 billion pounds of vinyl produced worldwide today, about 60 percent is used in the construction industry.
	www.vinylbydesign.com /site/page_two_col.asp?TrackID=&VID=12&CID=2&DID=3 (440 words)

	Encyclopedia Search (Site not responding. Last check: 2007-11-01)
		Lonsbury Semon (September 10, 1898 - May 26,...
		In 1929, after a divorce, his mother...the pen name E. Waldo
		Hunter when two of his stories ran in the same issue of Astounding.
	www.encyclopedian.com /search.php?searWords=Waldo (109 words)

	Injection Molding Magazine
		They were, however, extremely difficult to mold using the rudimentary ram injection molding machines available at the time.
		Commercial applications for PVC in the United States were limited until 1926 when B.F. Goodrich’s Waldo Semon discovered that the material could be softened with a plasticizer.
		Film, blowmolded, and thermoformed packaging applications were developed and the B.F. Goodrich Co. prospered.
	www.immnet.com /articles?article=2035 (935 words)

	Junk Science and the Gardener (Site not responding. Last check: 2007-11-01)
		The obituary of Waldo Semon, who held a patent for bubble gum, developed vinyl and helped create synthetic rubber during the Second World War, must be a bitter pill for Greenpeace.
		Among the many U.S. patents he had earned by the time he reached retirement age in 1963, was one for bubble gum, earned in 1995.
		Semon's legacy to unborn generations will long outlast that of any environmental activist.
	www.canadafreepress.com /1999/9910a6.htm (1152 words)

	Re: Who invented Bubble Gum & How did he or she get the idea?
		Semon developing polyvinyl chloride, making hundreds of discoveries, and getting all sorts of awards and honors has been deleted)
		The Stuff That Made Bazooka Famous Semon's other famous invention grew out of a company directive to find as many uses for rubber as possible.
		This fellow Semon sounds like a giant in the area of polymer chemistry.
	www.madsci.org /posts/archives/feb98/885740410.Ot.r.html (401 words)

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