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. 18, 1989
Filed:
May. 19, 1988
Applicant:
Inventors:
Robert M DeMarinis, Ardmore, PA (US);
Haralambos E Katerinopoulos, Philadelphia, PA (US);
Katharine A Muirhead, West Chester, PA (US);
Assignee:
SmithKline Beckman Corporation, Philadelphia, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; G01N / ; C07D / ;
U.S. Cl.
CPC ...
436 63 ; 436 74 ; 436 79 ; 548181 ; 548183 ; 548309 ;
Abstract
Invented are new tetracarboxylate compounds which are chelators for calcium ions. Also invented is a useful method of measuring intracellular calcium concentrations using these novel compounds as an optical indicator.