Process of retaning mineral tanned leather with resorcinol-formaldehyde
United States Patent 2840445
US Patent References:
/1395733.html
- - 1395733
Method of tanning hides and skins
- - 1953968
Quinone-resorcinol tanning agent and process
- - 2469438
Tanning with a free aldehyde and a free polyhydric phenol mixture in a molecular ratio of at least 2 to 1
- - 2552129
Process of tanning with borated methylol phenols
- - 2701749
/1395733.html
- - 1395733
Method of tanning hides and skins
- - 1953968
Quinone-resorcinol tanning agent and process
- - 2469438
Tanning with a free aldehyde and a free polyhydric phenol mixture in a molecular ratio of at least 2 to 1
- - 2552129
Process of tanning with borated methylol phenols
- - 2701749
Inventors:
Severn, Douglas K.
Publication Date:
06/24/1958
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Export Citation:
Assignee:
KOPPERS CO INC
Primary Class:
Other Classes:
8/94.19C, 8/94.260, 8/94.290, 8/94.270, 8/94.240, 8/94.280, 8/94.250
International Classes:
C14C3/18; C14C3/00
Foreign References:
| GB190704605A |