Non-toxic organotin stabilizers for vinyl chloride polymers
US4496490A · kind A · utility
5Cited by
1References
4Claims
0Family size
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Key dates
| Filing date | Feb 12, 1980 |
| Grant date | Jan 29, 1985 |
| Priority date | — |
| Expiry date | Feb 12, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/226
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Vinyl chloride polymers suitable for use in food packaging materials are stabilized against discoloration and embrittlement resulting from exposure to heat using mono-n-octyltin compounds of the general formula H.sub.17 C.sub.8 Sn(SCH.sub.2 COOR').sub.3, wherein R' represents an alkyl radical containing eight carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.