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:
Jul. 04, 1989
Filed:
Aug. 25, 1986
Applicant:
Inventors:
Assignee:
Felix Schoeller GmbH & Co., KG, Osnabruck, DE;
Primary Examiner:
Int. Cl.
CPC ...
D21H / ;
U.S. Cl.
CPC ...
162135 ; 162136 ; 162158 ; 1621681 ; 1621812 ; 1621813 ; 427391 ; 427395 ;
Abstract
There is described a water-resistant paper support for photographic layers with at least one coating hardened by electron beams, in which the base paper of the paper support contains at least one aluminum compound in a quantity, relative to the aluminum ion, of 1 to 12 kg/t of cellulose, preferably 3 to 6 kg/t of cellulose, and with a pH-value of the paper stuff of the base paper between 5 and 8.