Liquid coating composition forming a liquid crystal display element insulating film
CA 2087306 A1 · Owner: Sakai, Rie · Inventors: Sakai, Rie; Nogami, Tatsuya
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid coating composition for the formation of a liquid crystal display element insulating film which, comprises, a) hydrolyzed product of tetraalkoxysilane of the general formula (1) below and trialkoxysilane of the general formula (2) below, b) an aluminum salt and, c) a deposition inhibitor, dissolved in an organic solvent. Si(OR)4 (1) wherein R represents a C1-5 alkyl group R1Si(OR2)3 (2), wherein R1 represents an alkyl alkenyl or aryl group, and R2 represents a C1-5 alkyl group. The liquid coating composition according to the present invention is useful as an insulating film for a liquid crystal display element, as it exerts no adverse influence on the display property thereof.
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
- Filed January 14, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 14, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 14, 2015.
- 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.