Composition and method of controlling solid polyurethane particl

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...

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260 292TN, 260 308DS, 260 302, 260 312N, 260 324, 260 326NR, 260 334UR, 525452, 525454, 528 49, 528 52, 528 53, 528 72, 528 76, 528 77, C08G 1808

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active

042936799

ABSTRACT:
This invention relates to control of particle size of solid, discrete, hydrophilic, crosslinked polyurethane particles formed from a composition which comprises

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patent: 3822238 (1974-07-01), Blair et al.
patent: 3850880 (1974-11-01), Hakanson et al.
patent: 3939123 (1976-02-01), Mathews et al.
patent: 4108954 (1978-08-01), Hilterhaus et al.
patent: 4145515 (1979-03-01), Pogozelski et al.

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