Patent · US Expired

Photo-crosslinkable 2-pyrone polymers and processes for the manufacture thereof

US3969323A · kind A · utility

13Cited by

1References

16Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Harald Furrer · Frankfurt am Main, DE
Hartmut Steppan · Wiesbaden, DE
Gerhard Lohaus · Kelkheim, DE

Key dates

Filing date	Feb 26, 1974
Grant date	Jul 13, 1976
Priority date	—
Expiry date	Feb 26, 1994

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S430/111
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

This invention relates to a photo-crosslinkable polymer comprising units with side chains having 2-pyrone groups therein. The invention also relates to processes for the preparation of the novel photo-crosslinkable polymers and to a photo-curable copying composition including the photo-crosslinkable polymer.

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