Surface modified surgical instruments, devices, implants, contact lenses and the like
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 31, 1992
Issued Date -
N/A
app pub date -
Oct 5, 1990
filing date -
Apr 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Improved medical devices and instruments prepared by an improved method of producing hydrophilic, gamma-irradiation or electron beam-irradiation induced polymerized and chemically grafted coatings or plastic surfaces of articles adapted for contacting living tissue,the improvement comprising carrying out the graft polymerization in an aqueous solution under specific combinations of the following conditions: 1) monomer concentration in the range of from about 0.1% to about 50%, by weight; 2) total gamma or electron beam irradiation dose in the range of from about 0.001 to less than about 0.50 Mrad; and 3) gamma dose rate in the range of from about 10 to about 2500 rads/min or electron beam-irradiation dose rate in the range of from about 10 to about 10.sup.8 rads/min.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully