Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1990-04-05
1992-05-12
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 60, 359240, 359326, 385122, C08F 800
Patent
active
051129060
ABSTRACT:
Disclosed are an organic nonlinear optical material comprising a 4-nitrophenylaminoacetaldehyde acetal represented by the following general formula: ##STR1## and a polymeric organic nonlinear optical material comprising an acetalized polyvinyl alcohol having the above-mentioned 4-nitrophenylaminoacetaldehyde acetal as the side chain.
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patent: 4762912 (1988-08-01), Leslie et al.
patent: 4818802 (1989-04-01), Choe
patent: 4867538 (1989-09-01), Yoon et al.
Ogata Naoya
Yokowo Yasuhiko
Miyata Seizo
Ogata Naoya
Reddick J. M.
Research Development Corporation of Japan
Schofer Joseph L.
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