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:
Feb. 19, 2008
Filed:
Nov. 17, 2004
Karl-heinz Schmid, Mettmann, DE;
Rita Koester, Duesseldorf, DE;
Karl-Heinz Schmid, Mettmann, DE;
Rita Koester, Duesseldorf, DE;
Cognis Deutschland GmbH & Co. KG, Duesseldorf, DE;
Abstract
A low-foaming surfactant composition comprising: (a) a hydroxy mixed ether corresponding to formula I:RO[CHCH(CH)O](CHCHRO)[CHCH(OH)R]  (I)wherein Ris an alkyl and/or alkylene group containing from 4 to 18 carbon atoms, Ris hydrogen, Ris an alkyl group having from 2 to 22 carbon atoms, x is 0, y is a number from 1 to 30, and z is a number from 1 to 3; and (b) a low-foaming nonionic surfactant selected from the group consisting of an optionally end-capped fatty alcohol polyethylene glycol/polypropylene glycol ether corresponding to formula II:RO(CHCHO)[CH(CH)CHO]R  (II)wherein Ris an alkyl and/or alkylene group containing from 8 to 22 carbon atoms, Ris hydrogen or an alkyl group containing from 1 to 8 carbon atoms, n is a number from 1 to 15 and m is a number up to 10, an optionally end-capped fatty alcohol polypropylene glycol/polyethylene glycol ether corresponding to formula II:RO[CH(CH)CHO](CHCHO)R  (III)wherein Ris an alkyl and/or alkylene group having from 8 to 22 carbon atoms, Ris hydrogen or an alkyl group having from 1 to 8 carbon atoms, p is a number from 1 to 5, and q is a number up to 15, and mixtures thereof.