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. 12, 1988
Filed:
Aug. 15, 1986
Applicant:
Inventor:
Robert S Robinson, Naperville, IL (US);
Assignee:
Nalco Chemical Company, Naperville, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
422 13 ; 210701 ; 252395 ; 422 17 ;
Abstract
Certain polymers of vinylsulfonic and methacrylic acid promote the formation of passive, protective oxide films on steel surfaces under alkaline boiler conditions and at high pressures e.g. pH 11 1,000 to 1,500 psi, while giving good control of mineral deposition in the boiler.
Robinson, Robert. (1988). Vinyl sulfonic acid - methacrylic acid copolymer passivators for high (U.S. Patent No. 4719082). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4719082
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile