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:
May. 15, 1979
Filed:
Dec. 27, 1977
Applicant:
Inventors:
Merwyn E Howells, Rahway, NJ (US);
Jack H Van Sciver, Madison, NJ (US);
William C Knoll, Flanders, NJ (US);
Assignee:
Allied Chemical Corporation, Morristown, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ; C23G / ; C23G / ;
U.S. Cl.
CPC ...
422 12 ; 134-3 ; 134 41 ; 252 792 ; 252146 ; 252387 ;
Abstract
Addition of small amounts of nitric acid to aqueous sulfuric acid containing more than about 60% by weight of H.sub.2 SO.sub.4 inhibits corrosive attack on carbon steel with which it may come in contact.
Howells, Merwyn. (1979). Inhibition of corrosive attack by sulfuric acid on carbon steel (U.S. Patent No. 4154791). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4154791
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile