Patent · US Expired

Bonding assistant for a support material

US4555533A · kind A · utility

8Cited by

17References

3Claims

0Family size

Assignee

Preh, Elektrofeinmechanische Werke Jakob Preh, Nachf. GmbH & Co. · DE

Inventors

Peter Ambros · Leutershausen, DE
Erich Gatzke · Bad Neustadt an der Saale, DE

Key dates

Filing date	Jul 17, 1981
Grant date	Nov 26, 1985
Priority date	—
Expiry date	Jul 17, 2001

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2666/54
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A bonding assistant for a support material consists of an organic binder ch comprises a mixture of a saturated polyester and an isophorone diisocyanate containing masked isocyanate groups apart from OH groups, said mixture being present in a proportion of from 50 to 80 percent by weight of the total mixture, the binder having filler particles of a particle size less than 15 .mu.m dispersed therein in a proportion of from 10 to 50 percent by weight.

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