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.:
Date of Patent:
Dec. 29, 2020
Filed:
May. 20, 2020
Applicants:
Hiroya Abe, Kanagawa, JP;
Atsuo Hirai, Kanagawa, JP;
Asae Kamata, Kanagawa, JP;
Yasuhide Fujiwara, Kanagawa, JP;
Inventors:
Hiroya Abe, Kanagawa, JP;
Atsuo Hirai, Kanagawa, JP;
Asae Kamata, Kanagawa, JP;
Yasuhide Fujiwara, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2057 (2013.01);
Abstract
A fixing belt includes a polyimide layer. The polyimide layer includes polyimide and an aprotic solvent. The solvent has a boiling point not lower than 230° C. and a solubility parameter not less than 24.5 (J/cm)and not greater than 30.7 (J/cm). The solvent has a content not less than 0.1 ppm and not greater than 1000 ppm in the polyimide layer.