Preparation of expanded flexible polyurethane foam micro-bits

Details Preparation of expanded flexible polyurethane foam micro-bits Preparation of expanded flexible polyurethane foam micro-bits

1980-04-28

1981-12-08

Cockeram, H. S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

162146, 162164R, 428402, 428407, 241 23, 241 27, 521 61, 521902, 521918, 528502, 528902, B32B 2740

Patent

active

043048730

ABSTRACT:
The preparation of flexible polyurethane foam micro-bits by the comminution of a flexible polyurethane foam in the presence of a compatible protective cooling fluid under specific comminuting steps and conditions.

REFERENCES:
patent: 2983692 (1961-05-01), D'Alelio
patent: 3038867 (1962-06-01), Czepiel
patent: 3164559 (1965-01-01), Eberl et al.
patent: 3255127 (1966-06-01), Von Bonin
patent: 3371053 (1968-02-01), Raskin
patent: 3472801 (1969-10-01), Lerman et al.
patent: 3597312 (1971-08-01), Kohne et al.
patent: 3607999 (1971-09-01), Corbett et al.
patent: 3618618 (1971-11-01), Strickman
patent: 3630820 (1971-12-01), Leach
patent: 4200679 (1980-04-01), Klein
patent: 4207378 (1980-06-01), Klein
patent: 4230566 (1980-10-01), Faudree
Fitzpatrick Co., Bulletin No. 152, "Model D Comminuting Machine", Elmhurst (Illinois), 8 pp., 1968.

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