Patent · US Expired

Mineral and textile webs bonded with a cured resin mixture

US4868227A · kind A · utility

3Cited by

5References

7Claims

0Family size

Assignee

BASF SE

Inventors

Fritz E. Kempter · Mannheim, DE
Franz Matejcek · Lambsheim, DE
Werner Neubach · Ludwigshafen, DE
Gerd Busse · Mutterstadt, DE

Key dates

Filing date	Feb 22, 1988
Grant date	Sep 19, 1989
Priority date	—
Expiry date	Feb 22, 2008

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06M15/423
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Webs composed of inorganic or organic fiber material are bonded with a cured resin mixture consisting essentially of PA1 (A) from 5 to 80% by weight of a water-soluble condensation product of carbonyl number 0-200 which has been prepared by alkaline condensation from 0.1 to 0.4 mole of an aliphatic or cycloaliphatic condensable ketone and 1 mole of formaldehyde, and PA1 (B) from 20 to 95% by weight of a water-soluble amino and/or phenolic resin.

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