Patent · US Expired

Yellowing resistant label comprising a porous polyamide layer containing a plasticizer

US4177586A · kind A · utility

2Cited by
9References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 1977
Grant dateDec 11, 1979
Priority date
Expiry dateAug 31, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31739
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A yellowing resistant label to be attached to articles of clothing, bedclothes, sundry goods or the like which comprises a fabric base and a porous nylon resin layer formed on the surface of the base, said nylon resin coating composition being prepared by dissolving a nylon resin in a solution of calcium chloride in methanol and adding thereto 5 to 25 PHR of a plasticizer for a nylon resin such as 2-ethylhexyl p-hydroxybenzoate, the label is prepared by applying the nylon resin coating composition onto the fabric base, dipping the coated base into water in order to leach out methanol and calcium chloride from the coating composition and then drying the resultant.

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