Protein-starch binary molding composition and shaped articles obtained therefrom
CA 1061163 A · Owner: Sumitomo Bakelite Company Limited · Inventors: Nakatsuka, Ryuzo; Suzuki, Setsuo; Tanimoto, Shinichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An edible, water-soluble thermoplastic, molding composition comprising a starch material a, neutral inorganic alkali salt of protein material water, an edible plasticizer, an edible lubricant and other additives. This composition shows excellent moldability and processability when subjected to various constomery dry processes for molding and processing customary plastics, such as compression molding transfer molding, extrusion molding, blow molding inflation molding, injection molding, vacuum forming pressure forming, heat sealing, etc. Transparent or translucent shaped articles obtained from the above composition have unique properties such as gas impermeability, solubility in water, …
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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 August 28, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 28, 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
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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.