Stabilized aqueous enzyme composition
CA 1213541 A · Owner: The Procter & Gamble Company · Inventors: Severson, Roland G. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure .alpha.-Amylase derived from B.licheniformis is stabilized in aqueous liquid detergent compositions containing surfactants and sequestering agents by the inclusion of a calcium-containing component that provides at least about 1x10-4.5 millimole of enzyme-accessible calcium per liter of 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 November 4, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 4, 2003.
- 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.