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:
Dec. 11, 1990
Filed:
Dec. 15, 1989
Applicant:
Inventors:
Chih M Hwa, Palatine, IL (US);
John A Kelly, Crystal Lake, IL (US);
Mita Adhya, Barrington, IL (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
558 81 ; 210700 ; 252 82 ;
Abstract
This invention relates to novel organic phosphonate compounds and more particularly to the compound 4-phosphonomethyl-2-hydroxy-2-oxo-1,4,2-oxazaphosphonrinane N-oxide and water soluble salts thereof. These compounds are useful as water treatment agents which can be employed for the control of scale and/or corrosion control.
Hwa, Chih. (1990). 4-phosphonomethyl-2-hydroxy-2-oxo-1,4,2-oxazaphosphorinane n-oxide and (U.S. Patent No. 4977292). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4977292
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile