US3772136A

Fibrous products from thermoplastic polyamide polymers

Abstract

An air pervious, water repellent, self-supporting fibrous mat is produced by spraying a mixture of polyamide polymer and a suitable, rapidly evaporating compatible solvent. The fibrous mats are suitable for use as fabrics, decorative applications, tamper-proof bottle sealers, packaging materials, etc.

US3772136A, drawing sheet 1
Sheet 1 of 7

Term

Term ended

Expired 13 November 1990, 35.9 years ago.

  1. Priority and filed
  2. Granted
  3. Expired
  4. Today

7 sheets

  1. Sheet 1
  2. Sheet 2
  3. Sheet 3
  4. Sheet 4
  5. Sheet 5
  6. Sheet 6
  7. Sheet 7