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:
Dec. 20, 2022
Filed:
Apr. 08, 2019
Applicant:
Braskem S.a., Sao Paulo, BR;
Inventors:
Verônica Leite Queiroz, Campinas, BR;
Lucas Pedersen Parizzi, Campinas, BR;
Iuri Estrada Gouvea, Campinas, BR;
Debora Noma Okamoto, Votuporanga, BR;
Rafael Victório Carvalho Guido, São Carlos, BR;
Alessandro Silva Nascimento, São Carlos, BR;
Igor Polikarpov, São Carlos, BR;
Assignee:
BRASKEM S.A., Sao Paulo, BR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12N 9/04 (2006.01); C12N 15/30 (2006.01); C12N 15/53 (2006.01); C12N 15/52 (2006.01);
U.S. Cl.
CPC ...
C12N 9/0006 (2013.01); C12N 15/52 (2013.01); C12Y 101/01001 (2013.01);
Abstract
The present disclosure relates to biological processes and systems for the production of isopropanol and/or acetone utilizing modified alcohol dehydrogenases that exhibit increased activity with NADH as a cofactor. The disclosure further relates to polynucleotides and polypeptides of the modified alcohol dehydrogenases, and host cells containing the polynucleotides and expressing the polypeptides.