【発明の名称】溶融粘度が低く光学的減衰の少ないシクロオレフィンコポリマー - Tikona Gezel Shaft Mitt Beschlenktel Haftungu

Title:

【発明の名称】溶融粘度が低く光学的減衰の少ないシクロオレフィンコポリマー

Document Type and Number:

Japanese Patent JP3361808

Kind Code:

B2

Abstract:

PCT No. PCT/EP94/00263 Sec. 371 Date Aug. 10, 1995 Sec. 102(e) Date Aug. 10, 1995 PCT Filed Jan. 31, 1994 PCT Pub. No. WO94/18251 PCT Pub. Date Aug. 18, 1994Thermoplastic cycloolefin copolymers (COCs) having low melt viscosity and low optical attenuation, a process for their preparation, and their use as optical waveguides (optical fibers).

Inventors:

Blekner, Michael-Joachim
Deckels, Helmut
Frank, Osan

Application Number:

JP51760794A

Publication Date:

January 07, 2003

Filing Date:

January 31, 1994

Export Citation:

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Assignee:

Tikona Gezel Shaft Mitt Beschlenktel Haftungu

International Classes:

G02B6/00; C08F4/42; C08F4/642; C08F4/646; C08F4/68; C08F4/72; C08F8/00; C08F32/00; C08F210/00; C08F232/00; C08F232/08; D01F8/06; G02B1/04; C08F4/659; C08F4/6592; (IPC1-7): C08F4/642; C08F210/00; C08F232/00; G02B1/04; G02B6/00

Domestic Patent References:

JP4268312A
JP3255105A

Attorney, Agent or Firm:

Kazuo Shamoto (5 outside)

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