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.

Date of Patent:
May. 05, 1981

Filed:

May. 31, 1977
Applicant:
Inventors:

Walter Simm, Leverkusen, DE;

Friedrich Bestenreiner, Gruenwald, DE;

Assignee:

AGFA-Gevaert, A.G., Leverkusen, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430119 ; 118650 ; 118659 ; 118660 ; 430103 ; 430902 ;
Abstract

For improving the electrical contact between an insulating image carrier and a conductive support during development of an electrostatic charge image in electrographic recording processes a gas permeable support is used through which gas ions are brought to the back of the carrier while development takes place on the image side.


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