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:
Dec. 27, 1983
Filed:
Feb. 24, 1982
Russell R Isbrandt, White Bear Lake Township, County of Ramsey, MN (US);
Robert D Lowrey, Aitkin, MN (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
Synergistic combinations for use in stabilizing thermographic imaging systems comprise (1) one or more aromatic compounds which form quinones, diimines, or quinonimines upon oxidation in combinaton with (2) 1-phenyl-3-pyrazolidinone, or derivatives or 1-phenyl-3-pyrazolidinone. When used in a thermographic imaging system comprising a nitrate salt, and a leuco dye in a binder these stabilizing combinations prevent oxidation and premature reaction of the leuco dye.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile