Copolymer-1 improvements in compositions of copolymers
US7625861B2 · kind B2 · utility
21Cited by
14References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2007 |
| Grant date | Dec 1, 2009 |
| Priority date | — |
| Expiry date | May 21, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G69/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to an improved composition of copolymer-1 comprising copolymer-1 substantially free of species having a molecular weight of over 40 kilodaltons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.