Resin composition suitable for use in medical devices
CA 1207489 A · Owner: Sekisui Kagaku Kogyo Kabushiki Kaisha · Inventors: Sakamoto, Kazuo; Honda, Seiichirou; Hata, Hiroyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A resin composition comprising (a) a vinyl chloride/ethylene copolymer having an ethylene content in the range of 3 to 12% by weight an average degree of polymerization in the range of 700 to 2900 and a ratio of weight average molecular weight to number average molecular weight in the range of from 2.5:1 to 5.5:1, (b) an ethylene/carbon monoxide/vinyl acetate copolymer, and, (c) a glycerin ester of a specific epoxidized aliphatic carboxylic acid. This resin composition is suitable for making medical devices, especially bags for storing transfusion fluids, receptacles for storing blood, and tubes for a blood circuit in artificial kidneys.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 8, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 8, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.