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:
Jun. 20, 1995
Filed:
Jul. 19, 1993
Applicant:
Inventors:
Michael C Welch, Woodhaven, MI (US);
Jay G Otten, Flat Rock, MI (US);
Glenis R Schenk, Wyandotte, MI (US);
Assignee:
BASF Corporation, Mt. Olive, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
25217421 ; 25217415 ; 25217417 ; 252D / ; 252D / ; 568625 ; 568624 ;
Abstract
Polyhydroxypolyethers as low foam surfactants comprising a compound of the general formula ##STR1## wherein R.sup.1 is a linear or branched C.sub.2 - to C.sub.18 -alkylene radical; R.sup.2 is H, ##STR2## R.sup.3, R.sup.4 are linear or branched C.sub.2 to C.sub.18 alkyl radicals; Z is a number of from 1 to 3; with the proviso that at least one R.sup.2 is ##STR3## n is a number of from 2 to 8; m is a number of from 15 to 34; and l is a number of from 0 to 3. These compounds are useful in cleaning compositions and rinse aids which are low foaming and biodegradable.