Terminally modified vinyl alcohol polymer composition and textile sizing agents made therefrom
CA 1324848 C · Owner: Sato, Toshiaki · Inventors: Yamauchi, Junnosuke; Okaya, Takuji; Kohno, Hiroji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is directed to a highly compatible polymer composition which comprises (A) starch (B) vinyl alcohol polymer having an alkyl group of 4 to 50 carbon atoms at the terminal, and/or (C) polyvinyl alcohol. The invention is further directed to a textile sizing agent having outstanding weavability which comprises (A) starch (B) vinyl alcohol polymer having an alkyl group of 4 to 50 carbon atoms at the terminal, (C) polyvinyl alcohol and, (D) oil for textile sizing.
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 November 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 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.