Stain-resistant antimony organic sulfur-containing compounds and vinyl halide resins containing same
CA 1269231 C · Owner: Plastic Specialties And Technologies, Inc. · Inventors: Hale, Ronald G.; Tornstrom, Paul K.; Woodley, Thomas R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Stain-resistant antimony organic sulfur-containing compositions are disclosed. A stain-resistant additive, particularly a soluble organic violet dye is included in liquid antimony compositions and such compositions are storage stable. The normally liquid antimony compositions provide effective heat stabilization in vinyl halide resins and resistance to staining associated with such sources as cross-staining titanium dioxide and ultraviolet light.
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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 May 22, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 22, 2007.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.