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 7220799 B1

PDF
Full Text
Expired
Date of Patent:
May. 22, 2007

Filed:

May. 28, 2004
Applicants:

Akira Udagawa, Takasaki, JP;

Akihiro Oshima, Takasaki, JP;

Inventors:

Akira Udagawa, Takasaki, JP;

Akihiro Oshima, Takasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 27/18 (2006.01); C08F 14/18 (2006.01); C08J 3/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

Unsintered poly(tetrafluoroethylene) resin feeds are treated with ionizing radiation in an absorbed dose of no more than 1,000 Gy at room temperature in air so that only the melting temperature of the resin feeds is shifted toward the lower end without changing the quantities of heat of fusion and crystallization.


Find Patent Forward Citations

Udagawa, Akira. (2007). Radiation-modified poly (tetrafluoroethylene) resin feeds and a process for producing the same (U.S. Patent No. 7220799). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7220799

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