From Hydrocarbon Monomer Patents (Class 524/570)
- Adding nonreactive material to chemically modified solid polymer (Class 524/572)
- Interpolymer of two or more diene monomers (Class 524/573)
- Interpolymer with at least one aliphatic hydrocarbon monomer, e.g., butyl rubber, etc. (Class 524/574)
- Interpolymer with at least one aromatic hydrocarbon monomer (Class 524/575)
- Natural rubber (Class 524/575.5)