Methods and compositions for improved oxygen scavenging
US5981676A · kind A · utility
17Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1997 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Oct 1, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/012
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition capable of scavenging oxygen composed of (i) a copolymer having long chain branches comprising units derived from monomers of ethylene and at least one vinyl unsaturated alicyclic monomer; (ii) a transition metal catalyst; (iii) preferably, with a photoinitiator; and (iv) optionally, a polymeric diluent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.