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. 12, 1988
Filed:
May. 03, 1982
Efthimios Chinoporos, Belmont, MA (US);
Elbert M Idelson, West Newton, MA (US);
Patrick F King, Needham, MA (US);
Polaroid Corporation, Cambridge, MA (US);
Abstract
There are described novel pyrazole compounds represented by the formula ##STR1## wherein Y is a silver halide developing substituent or a precursor thereof; R is --OH, --NH.sub.2 or --NHSO.sub.2 --R.sub.1 ; R.sub.1 is alkyl having from 1 to 6 carbon atoms or phenyl; and m and n are the same or different and each is an integer of from 1 to 6. The pyrazole compounds are useful as intermediates in the preparation of azo and azomethine dye developers or as silver halide developing agents.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile