Aromatic polyester film containing orthophosphate powder
US4981897A · kind A · utility
4Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1989 |
| Grant date | Jan 1, 1991 |
| Priority date | — |
| Expiry date | Jun 28, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K3/32
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An aromatic polyester film containing about 0.05 to 0.5% by weight, based on the weight of aromatic polyester resin, of a Group ITA alkaline earth metal orthophosphate powder composed mainly of particles having a particle diameter of about 1 to 10 .mu.m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.