Non-agglomerating elastomeric particles

Details Non-agglomerating elastomeric particles Non-agglomerating elastomeric particles

Filed on

1997-10-20

Date issued

2000-05-09

Examiner

Niland, Patrick D.

Patent Class

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

SubClass

Synthetic resins

SubSubClass

At least one aryl ring which is part of a fused or bridged...

Other Related Categories

428357, 428407, 427212, 4272133, 42721332, 42721336, 427222, 523201, 523206, 524322, 524394, 525123, 525130, 525455, 525233, 525234, C08J 300, C08K 320, C08K 900, C08L 7500

Type

Patent

Status

active

Patent number

060605537

Description

ABSTRACT:
Elastomeric particles, which have a tendency to agglomerate, are rendered non-agglomerating by contacting those particles with an aqueous solution or dispersion of a polyurethane rubber, a high Mooney viscosity, high gel content rubber and/or a soap, and optionally a polar binder, separating the coated elastomeric particles from the solution or dispersion, and then drying the elastomeric particles while keeping the coated particles in motion.

REFERENCES:
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patent: 3976611 (1976-08-01), Aloia
patent: 4027067 (1977-05-01), Wagner et al.
patent: 4119759 (1978-10-01), Fischer et al.
patent: 4269740 (1981-05-01), Woods et al.
patent: 4271213 (1981-06-01), Grimm et al.
patent: 4357439 (1982-11-01), Blumel et al.
patent: 4375497 (1983-03-01), Sandstrom
patent: 4383108 (1983-05-01), Jorgensen, Jr.
patent: 4622193 (1986-11-01), Kresge et al.
patent: 5202371 (1993-04-01), Goetz et al.
patent: 5322731 (1994-06-01), Callahan, Jr. et al.
patent: 5688449 (1997-11-01), Fox
Patent Abstracts of Japan, vol. 008, No. 126 (C-228), Jun. 13, 1986 & JP59038206A, Mar. 2, 1986 (Abstract).
Database WPI Section Ch. Week 8049, XP002055950 & SU 729066A, Apr. 25, 1980 (Abstract).

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