Title:
Method of and apparatus for applying aqueous dispersions in manufacture of paperboard and the like
United States Patent 2778284
US Patent References:
/0629937.html
- - 0629937

Process of making multiply waterproof sheets
- - 1616901

/1616902.html
- - 1616902

/1686818.html
- - 1686818

/1790822.html
- - 1790822


Inventors:
Macdonald, Chester R.
Publication Date:
01/22/1957
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Assignee:
PATENT & LICENSING CORP
Primary Class:
162/124
Other Classes:
162/265, 162/184, 239/566, 118/325
International Classes:
D21F11/08; D21H23/28; D21H23/50; D21F11/00; D21H23/00
US Patent References:
1847269Fiber product and method of making same
1945173Artificial leather manufacture
2184619Shingle making machine
2573659Method of making color ornamented asbestos-cement sheets
2622491Process of making multiply waterproofed sheets
Foreign References:
GB183907977A
NL47170C
AT30217B