Patent · US Expired

Oxyalkylated alkyl polyamines as defoaming agents

US4130589A · kind A · utility

0Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 14, 1978
Grant dateDec 19, 1978
Priority date
Expiry dateFeb 14, 1998

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21H19/62
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The present invention concerns novel oxalkylated alkyl polyamines in free base, acid addition salt and/or quaternary ammonium salt form useful as anti-foaming agents.

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