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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 11806447 B1

PDFFull Text
Date of Patent:
Nov. 07, 2023

Filed:

Jan. 22, 2019

Compositions and devices of poly-4-hydroxybutyrate

Applicant:

Tepha, Inc., Lexington, MA (US);

Inventors:

David P. Martin, Arlington, MA (US);

Simon F. Williams, Cambridge, MA (US);

Kai Guo, Belmont, MA (US);

Assignee:

Tepha, Inc., Lexington, MA (US);

Attorney:

Wolf, Greenfield & Sacks, P.C.

Primary Examiner:

Alicia L Otton

Int. Cl.
CPC ...
A61L 31/06 (2006.01); A61L 31/10 (2006.01); C12P 7/625 (2022.01); G01N 33/50 (2006.01); A61L 27/18 (2006.01); C08G 63/06 (2006.01); A61L 27/34 (2006.01); A61L 17/10 (2006.01); C08G 63/90 (2006.01);
U.S. Cl.
CPC ...
A61L 31/06 (2013.01); A61L 17/105 (2013.01); A61L 27/18 (2013.01); A61L 27/34 (2013.01); A61L 31/10 (2013.01); C08G 63/06 (2013.01); C08G 63/90 (2013.01); C12P 7/625 (2013.01); G01N 33/5088 (2013.01); Y10T 436/201666 (2015.01);
Abstract

Compositions of P4HB with high purity have been developed. The compositions are prepared by washing P4HB biomass prior to solvent extraction, and precipitating P4HB from solution. The same solvent is preferably used to wash the P4HB biomass, and as a non-solvent to precipitate the polymer from a P4HB solvent solution. The highly pure P4HB compositions are suitable for preparing implants. The implants may be used for the repair of soft and hard tissues.

Find Patent Forward Citations

Martin, David. (2023). Compositions and devices of poly-4-hydroxybutyrate (U.S. Patent No. 11806447). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11806447

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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