Acrylated natural resins

Chemistry: natural resins or derivatives; peptides or proteins; – Natural resins or derivatives – Rosin or derivative used as starting material in process – or...

Reexamination Certificate

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Details

C530S212000, C530S214000, C530S215000, C530S217000, C530S221000

Reexamination Certificate

active

07001981

ABSTRACT:
A method of acrylating a resin containing one or more hydroxyl functional group and derived from a natural product, comprising preparing a mixture of a hydroxyalkyl acrylate and an isocyanate; and reacting said mixture with said resin.

REFERENCES:
patent: 4294936 (1981-10-01), Korpman
patent: 4532300 (1985-07-01), Lenz et al.
patent: 19902685 (2000-08-01), None
patent: 0197682 (1986-10-01), None
patent: 0426085 (1991-05-01), None
patent: 0625529 (1994-11-01), None
patent: 58-043262 (1984-09-01), None
patent: 58-160313 (1985-03-01), None
patent: 05155164 (1993-06-01), None
patent: 6256418 (1994-09-01), None
patent: 2000290377 (2000-10-01), None
patent: WO 87/04448 (1987-01-01), None
patent: WO 89/02452 (1989-03-01), None

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