Methods of sterilizing polycarbonate articles and methods of manufacture
US7638091B2 · kind B2 · utility
1Cited by
59References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2004 |
| Grant date | Dec 29, 2009 |
| Priority date | — |
| Expiry date | Jan 31, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L83/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method comprising treating an article with steam, wherein the article comprises a composition comprising an amount of a polysiloxane-polycarbonate copolymer effective to provide thermal and hydrolytic stability to the article for at least 15 cycles, wherein each cycle comprises 20 minutes of contact with steam at 100° C., at atmospheric pressure. The articles are of utility in a wide variety of applications such as food service and medical applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.