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:
Aug. 02, 1983
Filed:
Jun. 25, 1981
Applicant:
Inventors:
Rudolph Wanka, Osnabruck, DE;
Heinz Wilke, Osnabruck, DE;
Wolfram Wysk, Belm, DE;
Uwe Jensen, Osnabruck, DE;
Assignee:
Felix Schoeller, Jr., GmbH & Co., K.G., Osnabruck, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; G03C / ;
U.S. Cl.
CPC ...
428323 ; 428328 ; 428330 ; 428511 ; 428513 ; 428537 ; 430504 ; 430531 ; 430536 ;
Abstract
A photographic support material includes a base paper upon which a polyolefin coating is coated on at least one side. The coating includes titanium dioxide therein and at least one alkaline earth metal oxide in an amount of about 0.05-20% by weight of the coating, preferably calcium and/or magnesium oxide, and/or an alkaline earth metal carbonate in an amount of about 0.05-10% by weight of the coating, preferably calcium and/or magnesium carbonate.