Patent · US Expired

Process for making dressed leatherlike composites

US4983245A · kind A · utility

9Cited by
8References
64Claims
0Family size

Inventor

Key dates

Filing dateApr 14, 1989
Grant dateJan 8, 1991
Priority date
Expiry dateApr 14, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/4935
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The invention also relates to a process for dressing a flat, water-absorbing and water-permeable substrate having a rough surface with depressions at least on that side to be provided with the dressing.

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