The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 6838544 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 04, 2005

Filed:

Jun. 06, 2002
Applicants:

GE LI, Fukui, JP;

Takahito Otani, Fukui, JP;

Hiro MI Fujita, Fukui, JP;

Hirokuni Tajima, Fukui, JP;

Hitoshi Kawakami, Fukui, JP;

Inventors:

Ge Li, Fukui, JP;

Takahito Otani, Fukui, JP;

Hiro mi Fujita, Fukui, JP;

Hirokuni Tajima, Fukui, JP;

Hitoshi Kawakami, Fukui, JP;

Assignee:

Rengo Co., Ltd., Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 6534 ; C08G 6548 ;
U.S. Cl.
CPC ...
Abstract

A polyol polymer having a greater number of hydroxy groups, an aliphatic acid ester of a polyol polymer having a greater number of hydroxy groups, and an aliphatic ether of a polyol polymer having a greater number of hydroxy groups are provided. A polymer obtained by polymerizing a polyol containing meso-erythritol, and an aliphatic acid ester and an aliphatic ether of the polymer are provided.


Find Patent Forward Citations

Li, Ge. (2005). Polyol polymers, meso-erythritol polymers and their aliphatic acid esters and aliphatic ethers (U.S. Patent No. 6838544). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6838544

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