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:
Jan. 10, 1995
Filed:
Feb. 28, 1994
Applicant:
Inventors:
Charles W Gomez, Cottage Grove, MN (US);
Lori S Harring, Woodbury, MN (US);
Randall H Helland, Lake Elmo, MN (US);
William D Ramsden, Afton, MN (US);
Tran Van Thien, Harlow, GB;
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430517 ; 430510 ; 430944 ;
Abstract
Dihydroperimidine squarylium dyes have been found to be particularly effective when used in acutance and antihalation systems for photothermographic and photographic articles.