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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 12522632 B1

PDFFull Text
Date of Patent:
Jan. 13, 2026

Filed:

Jan. 17, 2023

Method for extracting keratin from wool/natural fibers using ionic liquids reinforced with sonication

Applicant:

Najran University, Najran, SA;

Inventors:

Mabkhoot Abdullah Alsaiari, Najran, SA;

Nawshad Muhammad, Peshawar, PK;

Sandleen Feroz, Dunedin, NZ;

George Dias, Dunedin, NZ;

Saeed A. Alsareii, Najran, SA;

Farid A. Harraz, Najran, SA;

Assignee:

NAJRAN UNIVERSITY, Najran, SA;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Fred H Reynolds

Int. Cl.
CPC ...
C07K 1/14 (2006.01); C07K 14/47 (2006.01); D01C 3/00 (2006.01);
U.S. Cl.
CPC ...
C07K 1/14 (2013.01); C07K 14/4741 (2013.01); D01C 3/00 (2013.01);
Abstract

A method for extracting keratin from wool fibers is described. The method includes treating the wool fibers in a solvent, washing, and drying to form cleaned wool fibers. The method incudes cutting the cleaned wool fibers and dispersing in an ionic liquid to form a slurry. The method further includes sonicating the slurry to form a first composition containing dissolved keratin. The method also includes mixing the first composition with water to precipitate the keratin from the first composition. Additionally, the method involves separating and collecting the precipitated keratin from the first composition, washing, and drying to form the keratin. The method for extracting keratin from natural fibers is also described.

Find Patent Forward Citations

Alsaiari, Mabkhoot. (2026). Method for extracting keratin from wool/natural fibers using ionic liquids reinforced with sonication (U.S. Patent No. 12522632). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12522632

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

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