The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 16, 1986
Filed:
Nov. 19, 1984
Paul Schafer, Riehen, CH;
Heinz Abel, Reinach, CH;
Christian Guth, Basel, all, CH;
Albert Stehlin, Rosenau, FR;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
Water-soluble or water-dispersible graft polymers comprising at least 20% by weight, based on said graft polymer, of a hydrophilic graft constituent bonded to a carbon atom and at least one hydrophobic radical which is bonded to the graft constituent via a polyglycol ether chain, the polyglycol ether chain containing 2 to 200 ##STR1## groups. These graft polymers can be used individually, as mixtures or in combination with other active substances as, for example, antifoams, antistatic agents, builders, emulsifiers, padding assistants, wetting agents, paper deaerators, sludge dewatering assistants, textile assistants, greying inhibitors or detergents.