Expired Canadian patentCanada
Stable aqueous compositions containing enzymes
CA 1221044 B · Owner: Bristol-Myers Squibb Company · Inventors: Shaer, Elias H.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
III. Abstract:, An aqueous detergent composition containing an enzyme which is stabilized with an alkanolamine and an organic or an inorganic acid.
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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 September 14, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 14, 1999.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 26, 1980
GrantedSeptember 14, 1982
Term endedSeptember 14, 1999
Patent numberCA 1221044 B
Classification (IPC)C11D3/38
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.