Building blocks containing isocyanate groups and their use...

Details Building blocks containing isocyanate groups and their use... Building blocks containing isocyanate groups and their use...

2005-07-05

2005-07-05

Gupta, Yogendra N. (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Cellulose fibers

C008S115510, C008S192000, C560S330000, C560S338000, C560S065000, C528S045000

Reexamination Certificate

active

06913629

ABSTRACT:
Compounds of the formula 1in-line-formulae description="In-line Formulae" end="lead"?OCN—R1—NHCOX—R2—(Y)n  (1),in-line-formulae description="In-line Formulae" end="tail"?where X is a covalent bond to R2or is O, S or NR3, Y is a hydrogen atom or a free functional group and n is an integer from 1 to 20, can be used for functionalizing or modifying compounds or solid surfaces which have at least one group which is reactive toward isocyanate.

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