Modified latex polymer compositions
CA 1284695 C · Owner: Rohm And Haas Company · Inventors: Winey, Donald Alfred; Jones, Gerald Lee; Frankel, Lawrence Stephen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Lawrence S. Frankel Gerald L. Jones and, Donald A. Winey, for MODIFIED LATEX POLYMER COMPOSITIONS, DN 83-59 ARS/rvp ABSTRACT OF THE DISCLOSURE, This invention relates to modified aqueous dispersions of water-insoluble latex polymer prepared by swelling an initial waterinsoluble latex polymer, prepared by emulsion polymerization with, additional ethylenically unsaturated monomer including at least one, monomer with two or more sites of ethylenic unsaturation and subse-, quently polymerizing the additional monomer within the swollen latex particles.
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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 June 4, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 4, 2008.
- 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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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.