2,2,6,6-Tetramethylpiperidine derivatives
US4237294A · kind A · utility
6Cited by
6References
3Claims
0Family size
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Inventors
Key dates
| Filing date | Jun 18, 1979 |
| Grant date | Dec 2, 1980 |
| Priority date | — |
| Expiry date | Jun 18, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3435
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
2,2,6,6-Tetramethylpiperidine derivatives having the formula ##STR1## wherein: X represents a group of formula ##STR2## R represents a hydrogen atom, methyl group, ethyl group, phenoxymethyl group or phenyl group; PA1 R' represents a methyl group or ethyl group; and PA1 m represents 0, 1 or 2, are excellent stabilizers for synthetic polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.