Esters of carboxy amino phenyl isocyanurates and vinylidene carbonyl oxy alkanols
CA 1106533 A · Owner: Ici Americas Inc. · Inventors: Restaino, Alfred J.; Markiewitz, Kenneth H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are unsaturated isocyanurates of monourethanes of an aromatic polyisocyanate and a vinylidene carbonyl oxy alkanol characterized by one of the following formulae: (1) (CH2 = ? - ? - O - CH2)3C - CH2OH, (2) (3) , (4) , and, (5) , wherein R1 hydrogen or an alkyl group containing from one to four atoms, R2 is hydrogen, alkyl containing from 1 to 12 carbon atoms, or a chlorinated brominated, or fluro-, inated alkyl group containing from 1 to 12 carbon atoms R3, is hydrogen, alkyl containing from 1 to 12 carbon atoms or, a chlorinated, brominated, or fluorinated alkyl group containing from 1 to 12 carbon atoms, R4 is hydrogen methyl or, ethyl, and n is from one to four with the …
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 4, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 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.