Process for obtaining granular forms of additives for organic polymers
US5240642A · kind A · utility
15Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1992 |
| Grant date | Aug 31, 1993 |
| Priority date | — |
| Expiry date | May 14, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/1345
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Process for obtaining granular forms of organic and inorganic antiacid additives and tetrakis-[3-(3,5-di-tert.-butyl-4-hydroxyphenyl)-propionyloxymethyl]-metha ne, carried out in the presence of an amount of the latter in the molten state, homogeneously distributed throughout the powder mass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.