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. 17, 1989
Filed:
Oct. 19, 1987
Richard J Lipinski, Aurora, OH (US);
Kelvin Y Chang, Solon, OH (US);
The Mogul Corporation, Chagrin Falls, OH (US);
Abstract
Corrosion inhibiting compositions for inhibiting corrosion and the deposition of mineral scale on metal in aqueous systems contain sequestrants such as carboxylic acids, phosphates, or optionally sulfur containing lignosulfonates, as well as carboxylated phosphonic acids of the formula ##STR1## wherein m is from 1 to about 6, wherein n is from 0 to about 6, wherein R is --H, -alkyl, -alkenyl, -alkynyl, -aryl, -alkyl substituted aryl, -cycloalkyl, -methylene phosphonic acid, or -methylene carboxylic acid, and wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently is --H, -alkyl, -aryl, -alkyl substituted aryl, --OH, --SH, --NH.sub.2, --PO.sub.3 H.sub.2, --CH.sub.2 PO.sub.3 H.sub.2, --CO.sub.2 H, --CH.sub.2 CO.sub.2 H, halogen, or --SO.sub.3 H. The composition can also contain other corrosion inhibiting compounds such as azoles, molybdates, and the like.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile