Stabilized vinyl halide resin compositions
CA 1063791 A · Owner: Tenneco Chemicals · Inventors: Hoch, Samuel; Szabo, Emery; Lally, Robert E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Vinyl halide resin compositions that are characterized by excellent heat and light stability, color and clarity and by, little tendency to plate-out are prepared by incorporating in the composition a stabilizer that contains 4.5 percent to 6.0 percent by weight of a mixture of metals comprising cadmium stro?tium, zinc, and potassium as oil-soluble salts and 2.0 percent to 3.5 percent by weight of phosphorus as an organic phosphite.
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 October 9, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 9, 1996.
- 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.