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:
Oct. 01, 2013
Filed:
Oct. 09, 2008
Sergey Selifonov, Plymouth, MN (US);
Scott D. Rothstein, Sauk Rapids, MN (US);
Douglas A. Wicks, Plymouth, MN (US);
Brian D. Mullen, Plymouth, MN (US);
Tara J. Mullen, Plymouth, MN (US);
Jason D. Pratt, Minneapolis, MN (US);
Charles T. Williams, Pittsburg, PA (US);
Chunyong Wu, Plymouth, MN (US);
Ning Zhou, St. Paul, MN (US);
Sergey Selifonov, Plymouth, MN (US);
Scott D. Rothstein, Sauk Rapids, MN (US);
Douglas A. Wicks, Plymouth, MN (US);
Brian D. Mullen, Plymouth, MN (US);
Tara J. Mullen, Plymouth, MN (US);
Jason D. Pratt, Minneapolis, MN (US);
Charles T. Williams, Pittsburg, PA (US);
Chunyong Wu, Plymouth, MN (US);
Ning Zhou, St. Paul, MN (US);
Segetis, Inc., Golden Valley, MN (US);
Abstract
The invention relates to polyketal compounds. The compounds are synthesized by the selective ketalization of oxocarboxylic acids, e.g. keto acids and semialdehydes, and esters thereof with tetrols and higher polyols that products two or more cyclic ketal ester moieties per molecule, wherein the cyclic ketal moieties are situated in a bis-, tris-, or polyketal conformation. The invention further relates to applications of these compounds and subsequent reactions thereof.