Diphenyl-alkyl polyamine compounds
CA 1088569 A · Owner: Merck & Co. Inc. · Inventors: Grier, Nathaniel; Witzel, Bruce E.; Dybas, Richard A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title of Invention:, Abstract of the Disclosure: Novel diphenyl and loweralkyl substituted diphenyl polyamines are useful antimicrobial agents as well as algae, inhibitors. They are especially useful because of their low toxicity, and as such are advantageously included as the active agent in surgical scrubs, antibacterial soaps as, preservatives in cosmetic preparations and the like. They, also can be used for topical treatment of dermatological conditions having a bacterial origin or implication such as Acne vulgaris.
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 October 28, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 28, 1997.
- 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.