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:
Feb. 07, 1984
Filed:
Jun. 25, 1982
Applicant:
Inventor:
George G Sitaramiah, St. Paul, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
4301066 ; 430109 ; 430903 ;
Abstract
Developing powder compositions containing a fluorine-modified alkyl siloxane and a surface treatment of carbon black are disclosed. The toner powders exhibit reduced sensitivity to machine conditions and provide copies whose images are sharply defined, have substantially reduced image fill-in, substantially reduced backgrounding, and good image density.