Enzymatic detergent and bleaching composition
CA 1339581 C · Owner: The Sun Products Corporation · Inventors: Cornelissen, Johannes Mattheus; Swarthoff, Ton; Thom, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An enzymatic detergent and bleaching composition contains a bleaching system which is stronger than the sodium perborate/TAED system. In such a composition a lipase is employed which is produced by cloning by rDNA, technique, the gene which encodes the lipase produced by the fungas Humicola lanuginosa and expressing that gene in Aspergillus oryzae as host. The lipase is used in an amount giving a lipolytic enzyme activity of from 100 to 0.005 lipolytic units/mg of the composition.
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 December 16, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 16, 2014.
- 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.