Weakly acidic bath agents
CA 1325173 C · Owner: Yorozu, Hidenori · Inventors: Yorozu, Hidenori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a weakly acidic bath agent comprising carbon dioxide or a carbon dioxidegenerating substance and nicotinic acid or a derivative of nicotinic acid represented by the general formula wherein R represents a group - OR1, in which R1 is a hydrogen atom, a saturated or an unsaturated hydrocarbon group having 1 to 10 carbon atoms, or a benzyl group. The bath agent of the invention exhibits favorable effects such as prevention of roughening of human skin, promotion of blood circulation sensation of body warmth and dampishness of the skin absence, of chill after bathing and the like.
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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 December 14, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 2010.
- 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.