Homopolymers and copolymers of salicylate lactones
US5082925A · kind A · utility
55Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 1990 |
| Grant date | Jan 21, 1992 |
| Priority date | — |
| Expiry date | Aug 16, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Poly(1,4-benzodioxepin-2,5-(3-H)dione), poly(1,4-benzodioxepin-2,5-(3-H, 3-methyl)dione), and copolymers of 1,4-benzodioxepin-2,5-(3-H)dione or 1,4-benzodioxepin-2,5-(3-H, 3-methyl)dione and at least one of: a) glycolide, b) (L-)lactide, c) an alkylene carbonate, d) p-dioxanone, e) e-caprolactone, f) 1,4-dioxepan-2-one, or g) 1,5-dioxepan-2-one. Surgical devices prepared from the polymers and copolymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.