Enzyme-immobilization carriers and preparation thereof
CA 1104110 A · Owner: Sumitomo Chemical Company, Limited · Inventors: Hirohara, Hideo; Nagase, Tsuneyuki; Nabeshima, Shigeyasu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Enzyme-immobilization carriers are provided herein. They comprise a macroporous amphoteric ion-exchange resin having a cation-exchange capacity due to carboxymethyl groups of 0.5 meq/g-dry resin or more, an anion-exchange capacity of 1 meq/g-dry resin or more, and a specific area of 1 m2/gdry resin or more, the total volume of macropores having a diameter of 100 .ANG. to 2000 .ANG. being 0.1 cc/g-dry resin or more. A novel process for producing such carriers is also provided. Such resins are superior as carriers for enzyme immobilization and provide immobilized enzymes having great stability.
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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 June 30, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 1998.
- 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.