Cleaning compositions containing protease produced by vibrio
CA 1304708 C · Owner: Durham, Donald R. · Inventors: Durham, Donald R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Cleaning compositions containing an extracellular protease produced by a microorganism of the genus Vibrio are provided. Such enzymes are characterized by a high proteolytic activity, stability over wide pH and temperature ranges and excellent stability to oxidizing agents, including a unique stability to-chlorine bleaches and are well-suited for formulation into laundry detergents, automatic dishwasher detergents laundry, bleaches, pre-soaks, as well as other types of cleaning compositions.
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 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 2009.
- 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.