Photosensitive solventless oil free low viscosity coating composition
CA 1104735 A · Owner: Westinghouse Electric Corporation · Inventors: Sattler, Frank A.; Dixon, George D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
47,799, A PHOTOSENSITIVE SOLVENTLESS OIL FREE LOW VISCOSITY COATING COMPOSITION, ABSTRACT OF THE DISCLOSURE A photosensitive, solventless, low viscosity oil, free coating composition is made by admixing: (A) about 40 wt.% to about 90 wt.% of an alkyd component consisting, essentially of a polyhydric alcohol and a dibasic aromatic and aliphatic acid mixture with (B) about 10 wt.% to about 60 wt.% of an acrylate monomer and (C) an effective amount of a photoinitiator; the composition characterized by having a viscosity of up to about 2,000 cps. at 25°C and being, capable of forming an ultraviolet radiation cured hard, pin, hole free film, having a thickness of under about 5 mils.
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 July 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 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.