Proteolytic enzymes and their use in detergents'
CA 1340366 C · Owner: Mulleners, Leonardus Johannes Sofie Marie · Inventors: Van Eekelen, Christiaan Albertus Gerardus; Mulleners, Leonardus Johannes Sofie Marie; Van Der Laan, Johannes Cornelis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New proteolytic enzymes are provided exhibiting improved properties for application in detergents especially, laundry detergents. These enzymes are obtained by expression of a gene encoding a proteolytic enzyme having an amino acid sequence which differs at least in one amino acid from the wild type enzyme. Preferred enzymes are certain mutants derived from the serine protease of Bacillus nov. spec. PB92.
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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 February 2, 1999. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 2, 2016.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.