Ester of lysine with alcohol as dental care agent
CA 1099646 A · Owner: Beiersdorf Aktiengesellschaft · Inventors: Larsson, Kdre; Hoppe, Udo; Curts, Julius
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The specification describes a tooth- and/or mouth-care agent such as toothpaste and mouthwash which has decay and, paradentosis-retarding effects. The agent is characterized by the content of 0.1 to 20 weight percent relative to the total, weight of the agent of an active ingredient. The ingredient can be selected from the group consisting or esters of lysine with straight or branched chain, saturated or unsaturated monovalent aliphatic alcohol with 4 to 20 carbon atoms and their salts, and mixtures thereof. The active ingredient is preferably lysinepalmitylester dihydrochloride. The tooth- and/or mouth care agent of this invention exhibits good decay and paradentosis restraining effect and …
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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 April 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 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.
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.