Patent · US Expired

Use of polyamino acid salts in water-borne adhesive applications

US6174988A · kind A · utility

2Cited by
6References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 1999
Grant dateJan 16, 2001
Priority date
Expiry dateApr 7, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2852
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

This invention relates to an adhesive composition which comprises (a) an adhesive carrier, and (b) an adhesively effective amount of a polyamino acid salt selected from the group consisting of polyaspartic acid salts, polyglutamic acid salts, and copolymers of polyaspartic acid salts with polyglutamic acid salts, and mixtures thereof. The present invention also pertains to an article to which the adhesive composition has been applied, a method for adhering a first substrate to a second substrate employing the polyamino acid salts, and to an improved method for making polyamino acid salts.

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