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:
Jan. 12, 2010
Filed:
Jun. 08, 2005
Applicants:
Masahiro Omori, Yokohama, JP;
Shuji Abe, Yokohama, JP;
Inventors:
Masahiro Omori, Yokohama, JP;
Shuji Abe, Yokohama, JP;
Assignee:
Synztec Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 18/32 (2006.01); C08G 18/40 (2006.01); C08G 18/44 (2006.01); C08G 18/65 (2006.01); G03G 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A cleaning blade member comprising a polyurethane formed by using a polyol consisting essentially of a polycarbonatediol, a polyisocyanate, and a crosslinking agent containing a short chain diol and a triol, the polyurethane having a tensile strength at 60° C. of 200 kg/cmor higher, and a tensile strength retention ΔT, represented by the following equation, of 40% or more:Δ(%)×100where Tdenotes a tensile strength at 10° C., and Tdenotes the tensile strength at 60° C.