Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1988-06-21
1989-12-12
Epstein, Henry F.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428329, 428331, 428409, 428419, 524401, 524425, 524430, 524447, 524450, 524609, B32B 516
Patent
active
048867055
ABSTRACT:
Disclosed herein is a uniaxially or biaxially oriented polyphenylene sulfide film wherein the number of n-order of interference fringes Hn (per mm.sup.2) as measured by a multiple interference method satisfies the following relations (1) and (2) at the same time:
REFERENCES:
patent: 4286018 (1981-08-01), Aiakura et al.
patent: 4386130 (1983-05-01), Hayashi et al.
patent: 4426479 (1984-01-01), Deguchi et al.
patent: 4726998 (1988-02-01), Ikenaga et al.
Diafoil Company Limited
Epstein Henry F.
Ryan P. J.
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