US 5,691,398 AGranted

Polylactic acid composition

AssigneeShin-Etsu Chemical Co., Ltd.

InventorsYoichi Tanifuji, Yuji Tokushige

Life of this patent

Estimating the term…

Abstract

A composition comprising polylactic acid and 0.05 to 5 parts by weight of silicone oil per 100 parts by weight polylactic acid, having improved mechanical properties.

Claims2

Dependent claims

A composition comprising 100 parts by weight of polylactic acid and 0.05 to 5 parts by weight of silicone oil and 5 to 30 parts by weight of plasticizer, said silicone oil being selected from the group consisting of alkyl-modified silicone oil and methylstyryl-modified silicone oil, said silicone oil having an intrinsic viscosity at 25.degree. C. of 100 to 10,000 cs.

Dependencies are inferred from the claim text.

Facts

Application: 08/545,267Filed 19 Oct 1995 · continuation in part
Priority: 7 Jun 1995
Granted: 25 Nov 1997
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

C08K 5/0016
Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59: plasticisers
C08K 5/54
Use of organic ingredients: silicon-containing compounds
C08L 67/04
Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain ; Compositions of derivatives of such polymers:…
C08K
Use of inorganic or non-macromolecular organic substances as compounding ingredients

Family

Serial484,476Parent of this continuation-in-part · filed 7 Jun 1995
US 5,691,398 AThis patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

patentgrep

Loading patent…

Back to results