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| | Additive for rubber elastomers - Patent 6831119 |
 | | The additive of claim 1, wherein the rubber elastomer is selected from the group consisting of natural rubber, isoprene, chloroprene, halo-butyls, SBR rubber, butyl rubber, neoprene, epichlorohydrin rubber, polysulfonated rubber, silicone rubber and mixtures thereof. |
 | | The additive of claim 13, wherein the rubber elastomer is selected from the group consisting of natural rubber, isoprene, chloroprene, halo-butyls, SBR rubber, butyl rubber, neoprene, epichlorohydrin rubber, polysulfonated rubber, silicone rubber and mixtures thereof. |
 | | The additive may be formulated with reduced amounts of metal carbonate and increased amounts of the remaining ingredients varying up to about: 30% flour, 35% starch, 15% resin, 5% metal carbonate and 15% acidic component, by weight, wherein the aggregate amount of the ingredients total 100%. |
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