Patent · US Expired

Nylon copolymer from piperazine, aliphatic diamine and mixture of aliphatic diacids

US4153784A · kind A · utility

3Cited by

1References

5Claims

0Family size

Assignee

BASF SE

Inventors

Peter Horn · Heidelberg, DE
Franz Leppmeier · Stockach, DE
Guenter Eckert · Schifferstadt, DE
Karl Fischer · Burns Lake, CA

Key dates

Filing date	Jun 27, 1977
Grant date	May 8, 1979
Priority date	—
Expiry date	Jun 27, 1997

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31736
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Nylon copolymer containing piperazine and a process for finishing leather and imitation leather, having a surface of polyurethane or plasticized PVC, by applying a solution of this nylon copolymer and drying it. The overall properties of the finish are better then those of conventional finishes.

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