Title:
Process for the manufacture of porous flexible sheet material
United States Patent 2774687
US Patent References:
Waterproof sheet material and process of making the same
- - 1459499
Substitute for hard paper, ebonite, fiber, and the like and alpha process for manufacturing the same
- - 1766817
Process and composition for rubberizing water repellent material and product thereof
- - 1899535
Process and composition for rubberizing water repellent material and product thereof
- - 1936999
Impregnation of textile fabrics
- - 2088227
Waterproof sheet material and process of making the same
- - 1459499
Substitute for hard paper, ebonite, fiber, and the like and alpha process for manufacturing the same
- - 1766817
Process and composition for rubberizing water repellent material and product thereof
- - 1899535
Process and composition for rubberizing water repellent material and product thereof
- - 1936999
Impregnation of textile fabrics
- - 2088227
Inventors:
Ludwig, Nottebohm Carl
Wilhelm, Lauppe
Robert, Schabert
Wilhelm, Lauppe
Robert, Schabert
Publication Date:
12/18/1956
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Export Citation:
Assignee:
Ludwig, Nottebohm Carl
Wilhelm, Lauppe
Robert, Schabert
Wilhelm, Lauppe
Robert, Schabert
Primary Class:
Other Classes:
525/139, 427/381, 427/365, 125/13.030, 427/428.210, 525/164, 427/389.900
International Classes:
D04H1/64; D04H1/68; D06M15/693
US Patent References:
| 2267316 | Pressed fibrous product and process | |||
| 2424923 | Fibrous laminate and process of making same | |||
| 2467233 | Treatment of wool and products therefor | |||
| 2536050 | Treatment of cellulosic textile materials and products thereof | |||
| 2563897 | Sizing cellulosic fibers with cationic melamine resin and hydrophobic material | |||
| 2716617 | Felted fibrous cellulosic structural board having rigidified portion and method of making same |