Patent · US Expired

Non-discoloring glass strand size

US4255317A · kind A · utility

5Cited by
2References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 20, 1978
Grant dateMar 10, 1981
Priority date
Expiry dateNov 20, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2962
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A non-discoloring glass strand size comprises a thermoplastic polyurethane emulsion produced by the chain extension of an NCO-terminated prepolymer, which prepolymer is prepared by the reaction of an aliphatic or cycloaliphatic diisocyanate with a polyalkylene ether polyol and is particularly suitable for glass incorporated in polyamide resins.

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