Expired Canadian patentCanada
Propene trimer alcohol or its ester as perfume composition
CA 1096775 A · Owner: Hercules Incorporated · Inventors: Desimone, Robert S.
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Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
De Simone Case 3, PERFUME COMPOSITIONS CONTAINING 9-CARBON ALCOHOLS ABSTRACT OF THE DISCLOSURE, Perfume compositions are disclosed containing as an, odorant, propene trimer alcohols or esters of such alcohols with 1 to 4 carbon monocarboxylic acids. -1-
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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 March 3, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 3, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 13, 1977
GrantedMarch 3, 1981
Term endedMarch 3, 1998
Patent numberCA 1096775 A
Classification (IPC)C11B9/00
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.