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:
Jun. 07, 1977
Filed:
Dec. 05, 1975
Applicant:
Inventors:
Jurgen Rochlitz, Wiesbaden, DT;
Reinhard Zunker, Kelkheim, DT;
Assignee:
Hoechst Aktiengesellschaft, , DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
96-15 ; 96-16 ; 252501 ;
Abstract
This invention relates to a compound of the formula ##STR1## wherein R is a phenylene or naphtylene group. The invention also relates to a process for making the novel compounds of the invention and also to an electrophotographic recording material employing the novel compounds of the invention.