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.

Date of Patent:
Nov. 03, 2015

Filed:

Jan. 06, 2009
Applicants:

David R Allen, Chicago, IL (US);

John C Hutchison, Chicago, IL (US);

Christopher D Smith, Watkinsville, GA (US);

Jacqueline M Pytel, Libertyville, IL (US);

Inventors:

David R Allen, Chicago, IL (US);

John C Hutchison, Chicago, IL (US);

Christopher D Smith, Watkinsville, GA (US);

Jacqueline M Pytel, Libertyville, IL (US);

Assignee:

Stepan Company, Northfield, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 17/00 (2006.01); C07C 69/68 (2006.01); C07C 67/31 (2006.01); A61K 31/22 (2006.01); B01F 17/00 (2006.01); B01F 1/00 (2006.01);
U.S. Cl.
CPC ...
C07C 69/68 (2013.01); A61K 31/22 (2013.01); B01F 17/0021 (2013.01); C07C 67/31 (2013.01); B01F 1/00 (2013.01);
Abstract

Alkyl lactyllactate and alkoxylated alkyl lactyllactate compounds that are useful as solvents in a variety of applications are disclosed. The compounds are derived from a hydroxyl containing compound and a lactide or lactic acid source that has a specific chirality. The alkyl lactyllactate and alkoxylated alkyl lactyllactate compounds are particularly suitable for use as solvents in applications requiring cold tolerance performance without inclusion of additional volatile components.


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