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:
Mar. 30, 1999
Filed:
Aug. 25, 1995
Applicant:
Inventors:
Sveltana V Kudrevich, Sherbrooke, CA;
Hasrat Ali, Deauville, CA;
Johan E Van Lier, North Hatley, CA;
Assignee:
University Of Sherbrooke, Sherbrooke, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09D / ;
U.S. Cl.
CPC ...
540131 ; 540121 ; 540122 ; 540145 ; 540139 ; 540140 ; 540136 ;
Abstract
Disclosed herein is a selective method for the preparation of single positional isomers of monosulphonated metallo derivatives of compounds selected from the group consisting of monosulphophthalocyanines, monosulphonaphthobenzoporphyrazines and monosulphotetraphenylporphyrins.