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.

Date of Patent:
Sep. 29, 2026

Filed:

Dec. 23, 2022
Applicant:

Recordati Industria Chimica E Farmaceutica S.p.a., Milan, IT;

Inventors:

Antonella Migliorini, Rome, IT;

Francesco Yafteh Mihan, Aprilia, IT;

Franca Segnalini, Latina, IT;

Angela Tuozzi, Latina, IT;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 319/06 (2006.01); C07C 59/255 (2006.01); C07C 323/25 (2006.01);
U.S. Cl.
CPC ...
C07C 319/06 (2013.01); C07C 59/255 (2013.01); C07C 323/25 (2013.01); C07B 2200/13 (2013.01);
Abstract

The present invention relates to a new, enhanced process for the manufacture of Cysteamine Bitartrate (I) and of its key intermediate thiazolidine (II). Furthermore, it relates to a new processes for the manufacture of crystalline anhydrous Cysteamine Bitartrate (polymorph L2) and monohydrate Cysteamine Bitartrate (polymorph L1). The crystalline anhydrous Cysteamine Bitartrate (polymorph L2) so obtained is characterized by particularly fine particle size and good appearance.


Find Patent Forward Citations

Migliorini, Antonella. (2026). Process for the preparation of cysteamine bitartrate and product so obtained (U.S. Patent No. 12747204). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12747204

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

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