Method of making leatherlike materials (B)
US4341581A · kind A · utility
17Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1979 |
| Grant date | Jul 27, 1982 |
| Priority date | — |
| Expiry date | May 23, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24998
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A system for the manufacture of leatherlike materials, particularly for shoe uppers, which avoids pollution, toxicity and fire hazards and makes it possible for the shoe manufacturer to make his shoe upper materials as required with a minimum of investment in inventory of raw materials and with simple, relatively inexpensive equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.