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:
Oct. 26, 1999
Filed:
Dec. 19, 1997
Applicant:
Inventors:
Assignee:
Sharp Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; C09B / ;
U.S. Cl.
CPC ...
430 78 ; 430 58 ; 430100 ; 540141 ;
Abstract
A crystalline titanyl phthalocyanine having diffraction peaks at least at 7.4.degree., 9.4.degree., 9.7.degree. and 27.3.degree. of Bragg angle (20.+-.0.2.degree.) in X-ray diffraction pattern with a doublet peak at 9.4.degree. or 9.7.degree., one of the diffraction peaks at 9.4.degree. and 9.7.degree. being the maximum.