Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1993-07-30
1995-02-07
Yoon, Tae H.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
430141, C08K 523
Patent
active
053876296
ABSTRACT:
Polymers containing the phosphine oxide moiety are identified as being particularly useful in applications where resistance to atomic oxygen etching is required and in applications where second order nonlinear optical effects will be utilized. Particularly preferred polymers for these two applications include poly(arylene ether phosphine oxide)s (PEPOS), and novel PEPOS which include phenolphthalein sub-units and derivatives thereof have been prepared.
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patent: 5290630 (1994-03-01), Devonald et al.
McGrath James E.
Pickering Timothy
Priddy, Jr. Duane B.
Smith Carrington D.
The Center for Innovative Technology
Virginia Polytechnic Institute & State University
Virginia Tech Intellectual Properties Inc.
Yoon Tae H.
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