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:
Nov. 30, 1999
Filed:
Nov. 09, 1998
Applicant:
Inventor:
G Richard Meyer, Missouri City, TX (US);
Assignee:
Nalco/Exxon Energy Chemicals, L.P., Sugar Land, TX (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C23C / ; C10G / ; C04B / ;
U.S. Cl.
CPC ...
252390 ; 252394 ; 148243 ; 148274 ; 208 47 ; 208 48 ; 106 1412 ; 106 1413 ; 106 1415 ; 106 1418 ; 106 1427 ; 106 1431 ; 422-7 ; 422 12 ;
Abstract
Zwitterionic water-soluble imine corrosion inhibitors of the general formula: ##STR1## wherein R.sup.3 is an anionically charged group. Preferred zwitterionic imines are the reaction products of the Michael addition of acrylic acid to an imine.