Plastic and nonmetallic article shaping or treating: processes – Forming articles by uniting randomly associated particles
Patent
1979-05-14
1981-01-13
Schain, Howard E.
Plastic and nonmetallic article shaping or treating: processes
Forming articles by uniting randomly associated particles
260 293, 264112, 264113, 264122, 528147, 528156, C08G 804, C08G 810, C08G 1404
Patent
active
042449065
ABSTRACT:
Phenol-aldehyde resins are prepared by condensing phenol with formaldehyde and isobutyraldehyde in the presence of an alkali. The resulting resins are particularly suited for manufacturing products such as fiberboard and chipboard.
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patent: 2231860 (1941-02-01), Swallen
patent: 2631097 (1953-03-01), Redfern
patent: 2631098 (1953-03-01), Redfern
patent: 3287479 (1966-11-01), Naudain
patent: 3474065 (1969-10-01), Gburek et al.
Chem. Abstracts, vol. 36 1942, 4222.sup.7-9 4223.sup.1 Ushakov et al.
Heinemann Karl-Heinz
Michalczyk Georg
Ripkens Gerd
Deutsche Texaco Aktiengesellschaft
Hunter Walter D.
Kulason Robert A.
Ries Carl G.
Schain Howard E.
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