MABS-based PVC pipe cement
US6391950B1 · kind B1 · utility
3Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 1, 1997 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Oct 1, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a PVC pipe cement composition that comprises a polymeric material of a methyl methacrylate homopolymer or copolymer, a styrene-acrylonitrile polymer, and a rubber grafted with at least a methacrylic acid ester of a C1 to C8 alkanol; and at least about 10% by weight solvent. The pipe cements of the invention form strong welds or bonds and have lower volatile organic content as compared to currently used materials
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.