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 7850821 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 14, 2010

Filed:

Aug. 24, 2005
Applicants:

Tetsuya Uehara, Fujinomiya, JP;

Akira Hirasawa, Fujinomiya, JP;

Hiroshi Ono, Fujinomiya, JP;

Abdolreza Nezamoleslami, Fujinomiya, JP;

Kazuaki Fujimori, Fujinomiya, JP;

Inventors:

Tetsuya Uehara, Fujinomiya, JP;

Akira Hirasawa, Fujinomiya, JP;

Hiroshi Ono, Fujinomiya, JP;

Abdolreza Nezamoleslami, Fujinomiya, JP;

Kazuaki Fujimori, Fujinomiya, JP;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A household thin paper, that offers flexibility and further difficulty in tearing, comprising a polyester-based compound represented by General Formula (1): wherein Ris HO— or HO(RO)a-, Ris an alkylene group having 2 or 3 carbon atoms, only a single type of RO or two types of RO can be attached randomly or as a block, 'a' is 1 to 200, all 'a's may be same or different in an identical molecule, b is 2 to 100, and Ris a hydrogen atom or the like.


Find Patent Forward Citations

Uehara, Tetsuya. (2010). Household thin paper (U.S. Patent No. 7850821). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7850821

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