KR100266733B1 - Spirobiindan compounds and polymers - Google Patents

Spirobiindan compounds and polymers Download PDF

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Publication number
KR100266733B1
KR100266733B1 KR1019990034018A KR19990034018A KR100266733B1 KR 100266733 B1 KR100266733 B1 KR 100266733B1 KR 1019990034018 A KR1019990034018 A KR 1019990034018A KR 19990034018 A KR19990034018 A KR 19990034018A KR 100266733 B1 KR100266733 B1 KR 100266733B1
Authority
KR
South Korea
Prior art keywords
spirobiindan
polymers
compounds
spirobiindan compounds
Prior art date
Application number
KR1019990034018A
Other languages
Korean (ko)
Inventor
Atsuo Otsuji
Keisuke Takuma
Rihoko Suzuki
Tatsuhiro Urakami
Toshihiro Motoshima
Wataru Yamashita
Tomomi Yoshimura
Atsushi Shibuya
Yoshihiro Sakata
Hideaki Oikawa
Masahiro Ohta
Masanobu Ajioka
Masatoshi Takagi
Akio Karasawa
Original Assignee
Mitsui Chemicals Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1019970036743A external-priority patent/KR100283962B1/en
Application filed by Mitsui Chemicals Inc filed Critical Mitsui Chemicals Inc
Priority to KR1019990034018A priority Critical patent/KR100266733B1/en
Application granted granted Critical
Publication of KR100266733B1 publication Critical patent/KR100266733B1/en

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KR1019990034018A 1996-07-31 1999-08-12 Spirobiindan compounds and polymers KR100266733B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019990034018A KR100266733B1 (en) 1996-07-31 1999-08-12 Spirobiindan compounds and polymers

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP20182596 1996-07-31
JP20461496 1996-08-02
JP20461596 1996-08-02
JP33183196 1996-12-12
JP33183296 1996-12-12
JP33183396 1996-12-12
KR1019970036743A KR100283962B1 (en) 1996-07-31 1997-07-31 Low Birefringence Organic Optical Components and Spirobyin-Stage Polymers
KR1019990034018A KR100266733B1 (en) 1996-07-31 1999-08-12 Spirobiindan compounds and polymers

Publications (1)

Publication Number Publication Date
KR100266733B1 true KR100266733B1 (en) 2000-09-15

Family

ID=27566511

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1019990034018A KR100266733B1 (en) 1996-07-31 1999-08-12 Spirobiindan compounds and polymers
KR1019990034017A KR100266734B1 (en) 1996-07-31 1999-08-12 Low birefringency organo optical parts

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1019990034017A KR100266734B1 (en) 1996-07-31 1999-08-12 Low birefringency organo optical parts

Country Status (1)

Country Link
KR (2) KR100266733B1 (en)

Also Published As

Publication number Publication date
KR100266734B1 (en) 2000-09-15

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A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee