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:
Mar. 24, 1998
Filed:
May. 16, 1995
Applicant:
Inventors:
Karl van Werden, Bad Schwalbach, DE;
Marlies Eltgen, Eltville, DE;
Assignee:
Clariant GmbH, Frankfurt, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430331 ; 510176 ; 510421 ;
Abstract
The invention relates to a metal-ion-free developer which contains, in addition to at least one of the standard basic compounds, certain anionic and, optionally, non-ionic surfactants, and to a corresponding concentrate.