Stock material or miscellaneous articles – Composite – Of carbohydrate
Patent
1975-09-22
1977-04-26
Kendell, Lorraine T.
Stock material or miscellaneous articles
Composite
Of carbohydrate
52408, 156 39, 428537, 428538, B32B 1300, B32B 2900, B32B 3100
Patent
active
040202372
ABSTRACT:
A paper covered gypsum board and a process for its manufacture, with at least one cover of the board comprising a multiply paper sheet containing a major proportion of cellulosic fibers and a minor proportion of short mineral fibers.
REFERENCES:
patent: 2806811 (1957-09-01), Von Hazmburg
patent: 2962414 (1960-11-01), Arledter
patent: 3692620 (1972-09-01), Schmidt et al.
Kendell Lorraine T.
Kurlandsky Samuel
Roberts Kenneth E.
Rudd Donnie
United States Gypsum Company
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