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. 04, 2003
Filed:
Nov. 16, 2000
Applicant:
Inventors:
Sylvia Pietri, Martigues, FR;
François Le Moigne, Marseilles, FR;
Malvina Miollan, Dabisse, FR;
Marcel Culcasi, Martigues, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 9/40 ; C07F 9/572 ; G01N 3/122 ;
U.S. Cl.
CPC ...
C07F 9/40 ; C07F 9/572 ; G01N 3/122 ;
Abstract
Linear or cyclic aminophosphonates are disclosed which are useful as pH markers. A method of using the linear or cyclic aminophosphonates in phosphorus-31 NMR spectroscopy is also disclosed.