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:
Nov. 16, 1976
Filed:
Sep. 12, 1974
Applicant:
Inventors:
Karl J Youtsey, Chicago, IL (US);
William C Holt, Jr, Prospect Heights, IL (US);
Robert D Carnahan, Barrington, IL (US);
Assignee:
Universal Oil Products Company, Des Plaines, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C09D / ; C09D / ;
U.S. Cl.
CPC ...
106-1 ; 106 20 ; 106 26 ; 106 30 ; 106189 ; 1061 / ; 106237 ; 106241 ; 252503 ; 252502 ; 252511 ; 252514 ; 260 / ; 260 / ;
Abstract
Electrical resistor inks comprising a mixture of at least one semi-conducting pyropolymeric inorganic refractory oxide material and a vehicle consisting of a binder such as a synthetic resin or a varnish, and a suitable solvent or oil, etc., are useful in forming resistors in electrical circuits, especially on printed circuit boards and on the ceramic substrates used for thick film circuits. In addition, the ink may contain other components such as metal powders, anti-skinning agents, drying agents, colored pigments, waxes, etc.