Patent · US Expired

Polymerizable aromatic carboxylic acids and carboxylic acid anhydrides with cyclic carbonate groups and formulations thereof

US5808104A · kind A · utility

2Cited by

7References

23Claims

0Family size

Assignee

HERAEUS KULZER GMBH · DE

Inventors

Wolfgang Podszun · Neunburg vorm Wald, DE
Ludger Heiliger · Leverkusen, DE
Werner Finger · Leverkusen, DE
Martin Grunwald · Emmerting, DE
Carl Casser · Neunburg vorm Wald, DE

Key dates

Filing date	Jul 23, 1997
Grant date	Sep 15, 1998
Priority date	—
Expiry date	Jul 23, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F20/30
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Polymerizable aromatic carboxylic acids and carboxylic acid anhydrides with cyclic carbonate groups which are useful for improving adhesion of synthetic dental filling materials.

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