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. 05, 1994
Filed:
Aug. 02, 1990
Applicant:
Inventors:
George R Bird, Princeton, NJ (US);
Louis Locatell, Chico, CA (US);
Kenneth S Norland, Lexington, MA (US);
Louis M Scarmoutzos, Andover, MA (US);
Assignee:
Steadfast, Incorporated, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V / ; C07F / ; C07D / ;
U.S. Cl.
CPC ...
252589 ; 252588 ; 546-2 ; 546271 ; 5483147 ;
Abstract
Metal complexes of pyridylbenzimidazoles are described which can be used as ultraviolet absorbers. The pyridylbenzimidazole compounds can be substituted or unsubstituted. The ultraviolet absorbers can be used to protect a carrier or to protect objects being shielded by a carrier.