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. 23, 1979
Filed:
Feb. 28, 1977
Applicant:
Inventor:
Marcia J Stone, Wellesley, MA (US);
Assignee:
New England Nuclear Corporation, Boston, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; A61K / ;
U.S. Cl.
CPC ...
424-1 ; 2323 / ; 206569 ; 424 12 ; 544257 ;
Abstract
Novel folic acid derivatives useful in processes for analysis of biological fluids for folic acid or its metabolites comprising components of the formula: ##STR1## wherein R is hydrogen or radioactive iodine.