Method for producing rubber modified thermoplastic resins
CA 1291283 C · Owner: Suzuki, Fumio · Inventors: Habara, Hideaki; Suzuki, Fumio; Tajiri, Noriyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a method for producing a rubber modified thermoplastic resin which comprises carrying out all or a part of the following steps (I) - (VI): (I) a step of mixing the following (A) (B), (C) and, thermoplastic resin (2): (A) a latex of graft rubber polymer (1) (B) an organic agent which is capable of dissolving thermoplastic resin (2) and has a solubility in water of 5% by weight or less at a temperature at which (A), (B), (C) and thermoplastic resin (2) are mixed, amount of the organic agent being 10-600% by weight of polymer (4) which is the sum of graft rubber polymer (1) and thermoplastic resin (2) and, (C) a water soluble agent capable of coagulating latex (A), amount of this …
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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 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 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
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.