US 5,158,810 AGranted

Melt-molded articles and laminates derived therefrom, and their use

AssigneeNippon Gohsei Kagaku Kogyo Kabushiki Kaisha

InventorsTsukasa Oishi, Masaru Saeki, Munetoshi Tomita

Life of this patent

Estimating the term…

Abstract

A melt-molded article such as water soluble fibers, a laminate and a container for waste matter, the article having biodegradability. The melt molded article is produced by melt-molding a composition comprising an oxyalkylene group-containing vinyl alcohol copolymer and starch or a starch-derived macromolecular substance.

Claims8

Dependent claims

A melt-molded article produced by melt-molding a composition comprising an oxyalkylene group-containing vinyl alcohol copolymer and starch or a starch-derived macromolecular substance.

Dependencies are inferred from the claim text.

Facts

Application: 07/754,827Filed 4 Sep 1991
Priority: JP 2-40627512 May 1990
Granted: 27 Oct 1992
Term ends: Not estimatedThe source records don’t support an estimate.

Classification29 codes

B32B 27/306
Comprising vinyl polymers; comprising acrylic polymers: comprising vinyl acetate or vinyl alcohol polymers
B32B 27/08
As the main or only constituent of a layer, which is next to another layer of the same or of a different material: of synthetic resin
B32B 27/30
Layered products comprising a layer of synthetic resin: comprising vinyl polymers; comprising acrylic polymers
C08J 5/18
Manufacture of articles or shaped materials containing macromolecular substances: manufacture of films or sheets

Family

No related US applications are recorded in the indexed filing history.

Timeline

Citations

Open elsewhere

patentgrep

Loading patent…

patentgrepSearch patents

Back to results