Composition and method for purging polymeric residues
US4731126A · kind A · utility
15Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1987 |
| Grant date | Mar 15, 1988 |
| Priority date | — |
| Expiry date | Jun 8, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compositions comprising thermoplastic polymers having added thereto small amounts of a hydroxymethyl-substituted carboxylic acid are usefully employed to remove accumulated polymeric residues from polymer processing equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.