Patent · US Active

N-alkyl-N′-poly(oxyalkyl)hexahydropyrimidine-quaternary ammonium salts and the use thereof as corrosion inhibitors

US9334243B2 · kind B2 · utility

0Cited by

1References

10Claims

0Family size

Assignee

CLARIANT INTERNATIONAL LTD · CH

Inventors

Dirk Leinweber · Kelkheim, DE
Hannah Benson · Bensheim, DE
Nihal U. Obeyesekere · Houston, US
Thenuka Ariyaratna · Kingwood, US

Key dates

Filing date	Oct 16, 2013
Grant date	May 10, 2016
Priority date	—
Expiry date	Feb 25, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2208/32
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

This invention relates to N-alkyl-N′-poly(oxyalkyl)hexapyrimidine-quaternary ammonium salts of the formulae (Ia)-(Ic) and mixtures thereofin which wherein

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.