Patents Examined by Irwin Glock - Justia Patents Search

Patents Examined by Irwin Glock

Polyhydroxy-polyalkylene-polyamine salts of maleic amide acids as corrosion inhibitors in water-in-oil emulsions

Patent number: 4405494

Abstract: Polyhydroxy-polyalkylene-polyamine salts of maleic amide acids are useful metal corrosion inhibitors for use in water-in-oil emulsions.

Type: Grant

Filed: December 10, 1981

Date of Patent: September 20, 1983

Assignee: BASF Aktiengesellschaft

Inventors: Knut Oppenlaender, Erich Schwartz, Klaus Barthold, Wilhelmus Slotman