Lubricants for vinyl chloride polymers
US4637887A · kind A · utility
11Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1985 |
| Grant date | Jan 20, 1987 |
| Priority date | — |
| Expiry date | May 30, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/79
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Triglycerides containing hydroxy fatty acid residues, of the type obtainable by hydrogenating epoxidized natural fats and oils, are used as lubricants for the molding of polyvinyl chloride or copolymers predominantly containing vinyl chloride, and are a replacement for hardened castor oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.