Medicament containing a silicon derivative of menthol
CA 1306192 C · Owner: Dow Corning Corporation · Inventors: Ward, Andrew Hamilton
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Topically applied medicaments are described which contain a menthol derivative of the formula R4-xSi(OC10H19)x, wherein the group OC10H19 represents the menthoxy radical; R denotes an alkyl radical, alkoxy radical a phenyl radical, or a phenoxy radical; and x has the value of 2 3, or 4. The, medicament provides sustained antipruritic and analgesic effects after skin treatment.
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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 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.