Uv coatings containing chlorinated polyolefins, method of curing, and coated substrates therefrom
CA 1332484 C · Owner: Hartman, Marvis Edgar · Inventors: Hartman, Marvis Edgar; Poole, James Edward
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed IS a coating composition which crosslinks upon exposure to ultraviolet radiation. The coating composition comprises: (A) from 1 to 5 percent of a saturated chlorinated, polymeric material selected from the group consisting of (1) a chlorinated polyolefin containing about 5 to 75 percent by weight of chlorine and having a number average molecular weight of about 5,000 - 50,000, (2) a chlorinated polyolefin containing carboxylic anhydride groups and about 5 to 25 percent by weight of chlorine and having a number average molecular weight of about 5,000 - 50,000 and, (3) a mixture thereof; (B) from 20 to 80 percent of a radiation sensitive monomer having at least two addition …
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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 October 11, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 11, 2011.
- 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.