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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.:

US 11744868 B1

PDFFull Text
Date of Patent:
Sep. 05, 2023

Filed:

Feb. 08, 2023

Dextran, preparation method and application thereof

Applicant:

Jilin Agricultural University, Changchun, CN;

Inventors:

Qi Wang, Changchun, CN;

Yu Yang, Changchun, CN;

Yang Liu, Changchun, CN;

Ling Su, Changchun, CN;

Assignee:

JILIN AGRICULTURAL UNIVERSITY, Changchun, CN;

Attorney:

WPAT, PC

Primary Examiner:

Michael Barker

Assistant Examiner:

Randall O Winston

Int. Cl.
CPC ...
A61K 36/07 (2006.01); A61K 31/721 (2006.01); A61P 35/00 (2006.01); A61P 1/18 (2006.01);
U.S. Cl.
CPC ...
A61K 36/07 (2013.01); A61K 31/721 (2013.01); A61P 1/18 (2018.01); A61P 35/00 (2018.01); A61K 2236/331 (2013.01); A61K 2236/333 (2013.01); A61K 2236/53 (2013.01);
Abstract

Disclosed are an Inonotus Obliquus dextran, a preparation method and application thereof, and relates to the field of medicines. The dextran has a structural formula as follows: By optimizing the extraction and isolation process, the present disclosure obtains an Inonotus Obliquus dextran, which is structurally determined to be a new polysaccharide. The Inonotus Obliquus dextran prepared by the present disclosure is combined with gemcitabine hydrochloride to inhibit tumor cells with anti-tumor activity against pancreatic cancer, in addition to reduce the dosage of chemotherapeutic drugs as well as the adverse effects of chemotherapeutic drugs.

Find Patent Forward Citations

Wang, Qi. (2023). Dextran, preparation method and application thereof (U.S. Patent No. 11744868). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11744868

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