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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 12492129 B1

PDFFull Text
Date of Patent:
Dec. 09, 2025

Filed:

Mar. 01, 2019

Highly structured porous silica materials and biological uses thereof

Applicant:

Sigrid Therapeutics Ab, Stockholm, SE;

Inventors:

Tore Bengtsson, Vaxhoim, SE;

Eric Johnston, Stockholm, SE;

Muhammad Naeem Iqbal, Stockholm, SE;

Assignee:

Sigrid Therapeutics AB, Stockholm, SE;

Attorneys:

McCarter & English, LLP

Michael J. DeGrazia

Primary Examiner:

Robert A Wax

Assistant Examiner:

John W Lippert, Iii

Int. Cl.
CPC ...
C01B 33/18 (2006.01); A23L 2/52 (2006.01); A23L 33/16 (2016.01); A61K 9/14 (2006.01); A61K 33/00 (2006.01); A61P 3/04 (2006.01); A61P 3/06 (2006.01); A61P 3/10 (2006.01);
U.S. Cl.
CPC ...
C01B 33/18 (2013.01); A23L 2/52 (2013.01); A23L 33/16 (2016.08); A61K 9/14 (2013.01); A61K 33/00 (2013.01); A61P 3/04 (2018.01); A61P 3/06 (2018.01); A61P 3/10 (2018.01); A23V 2002/00 (2013.01); C01P 2002/72 (2013.01); C01P 2004/03 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2006/12 (2013.01); C01P 2006/16 (2013.01);
Abstract

There is provided herein a porous silica particle characterized by having a hierarchical pore structure wherein at least about 20% of the pores of the silica particle are of a size in the range of from about 7.0 to about 13.0 nm, and at least about 10% of the pores of the silica particle are of a size in the range of from about 0.5 to about 5.0 nm, and by having a particle size of from about 0.1 μm to about 10.0 μm. There is also provided compositions comprising such silica particles, process for their preparation, and medical and non-medical uses thereof.

Find Patent Forward Citations

Bengtsson, Tore. (2025). Highly structured porous silica materials and biological uses thereof (U.S. Patent No. 12492129). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12492129

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