Patent · US Expired

Crosslinked polymers

US5714559A · kind A · utility

16Cited by

4References

11Claims

0Family size

Assignee

Olin Microelectronic Chemicals, Inc. · US

Inventors

Hans-Thomas Schacht · Rheinfelden (Baden), DE
Norbert Muenzel · Heitersheim, DE
Carl-Lorenz Mertesdorf · Wetzikon, CH
Pasquale Alfred Falcigno · Yonkers, US
Heinz Holzwarth · Bad Krozingen, DE
Ottmar Rohde · Basel, CH
Hans-Jorg Kirner · Pratteln, CH

Key dates

Filing date	Dec 14, 1995
Grant date	Feb 3, 1998
Priority date	—
Expiry date	Dec 14, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2810/20
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Polymers based on combination of different repeating units derived from hydroxy styrene and hydroxyvinylcyclohexane derivatives wherein a portion of the hydroxyl groups are replaced with either acid-labile acetal or ketal protecting groups and where a portion of the repeating groups comprise two crosslinked species connected via the protecting groups.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.