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. 08, 1997
Filed:
Dec. 08, 1995
Applicant:
Inventors:
Elizabeth Gertrude Burns, Rochester, NY (US);
Lynda Woedy McGarry, North Chili, NY (US);
Gary Stephen Proehl, Rochester, NY (US);
Lee Hamilton Latimer, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07F / ;
U.S. Cl.
CPC ...
558452 ; 560 23 ; 560170 ; 562 11 ; 562 45 ; 562104 ; 562433 ; 562107 ; 564157 ; 564193 ; 564301 ;
Abstract
Substituted hydroxylamines useful in photographic processing solution can be prepared by reacting a hydroxylamine with a vinylic compound having an electron withdrawing substituent in a suitable solvent, in the absence of a neutralizing base. The resulting products can be used without isolation from the reaction solution.