Polyolefins stabilized against damage caused by light
CA 1324860 C · Owner: Novartis Ag · Inventors: Gugumus, Francois
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Polyolefins stabilized against damage caused by light Abstract, The invention relates to polyolefines stabilized against damage caused by light and containing, A) at least one polyalkylpiperidine light stabilizer B) an organic sale of zinc or magnesium and C) either C1) a UV absorber or, C2) a pigment or C3) a UV absorber and a pigment.
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.