Highly water-absorptive optical material

Details Highly water-absorptive optical material Highly water-absorptive optical material

1987-04-21

1988-05-17

Ziegler, Jacob

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

351160H, 523106, 525283, 525293, 525296, 525301, 525305, 525307, 525937, C08F25908, C08F26506

Patent

active

047451580

ABSTRACT:
A highly water-absorptive optical material obtained by saponification for hydrophilic treatment of a copolymer composed essentially of:

REFERENCES:
patent: 3947401 (1976-03-01), Stamberger
patent: 3988274 (1976-10-01), Masuhara et al.

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