Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1997-06-27
1999-11-16
Hampton-Hightower, P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528125, 528126, 528128, 528172, 528173, 528174, 528176, 528183, 528185, 528188, 528220, 528229, 528350, 528353, 428458, 4284735, 427 58, 427162, 427165, 427168, 385 2, C08G 7310, B32B 2700
Patent
active
059860367
ABSTRACT:
A new holographic substrate utilizing flexible, optically transparent fluorinated polyimides. Said substrates have extremely low birefringence which results in a high signal to noise ratio in subsequent holograms. Specific examples of said fluorinated polyimides include 6FDA+APB and 6FDA+4BDAF.
REFERENCES:
patent: 5317082 (1994-05-01), Beuhler et al.
patent: 5338826 (1994-08-01), St. Clair et al.
Clayton William R.
Gierow Paul A.
St. Clair Anne K.
Hampton-Hightower P.
The United States of America as represented by the Administrator
Womack Hillary T.
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