CA2045093C - Procede de fabrication de polymeres et de copolymeres a faible densite optique servant a des photoresines et a des applications optiques - Google Patents

Procede de fabrication de polymeres et de copolymeres a faible densite optique servant a des photoresines et a des applications optiques Download PDF

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Publication number
CA2045093C
CA2045093C CA 2045093 CA2045093A CA2045093C CA 2045093 C CA2045093 C CA 2045093C CA 2045093 CA2045093 CA 2045093 CA 2045093 A CA2045093 A CA 2045093A CA 2045093 C CA2045093 C CA 2045093C
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CA
Canada
Prior art keywords
poly
acetoxystyrene
hydroxystyrene
monomer
methyl
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA 2045093
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English (en)
Other versions
CA2045093A1 (fr
Inventor
Michael T. Sheehan
James H. Rea
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TriQuest LP
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TriQuest LP
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Filing date
Publication date
Priority claimed from US07/706,601 external-priority patent/US5239015A/en
Application filed by TriQuest LP filed Critical TriQuest LP
Publication of CA2045093A1 publication Critical patent/CA2045093A1/fr
Application granted granted Critical
Publication of CA2045093C publication Critical patent/CA2045093C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA 2045093 1990-10-26 1991-06-20 Procede de fabrication de polymeres et de copolymeres a faible densite optique servant a des photoresines et a des applications optiques Expired - Lifetime CA2045093C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US60484790A 1990-10-26 1990-10-26
US07/604,847 1990-10-26
US07/706,601 1991-05-28
US07/706,601 US5239015A (en) 1990-06-29 1991-05-28 Process for making low optical density polymers and copolymers for photoresists and optical applications

Publications (2)

Publication Number Publication Date
CA2045093A1 CA2045093A1 (fr) 1992-04-27
CA2045093C true CA2045093C (fr) 2004-02-03

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ID=27084782

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2045093 Expired - Lifetime CA2045093C (fr) 1990-10-26 1991-06-20 Procede de fabrication de polymeres et de copolymeres a faible densite optique servant a des photoresines et a des applications optiques

Country Status (1)

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CA (1) CA2045093C (fr)

Also Published As

Publication number Publication date
CA2045093A1 (fr) 1992-04-27

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