WO2025259961 - PROCESSES FOR THE PREPARATION OF ANHYDROSUGARS
National phase entry is expected:
Publication Number
WO/2025/259961
Publication Date
18.12.2025
International Application No.
PCT/US2025/033504
International Filing Date
13.06.2025
Title **
[English]
PROCESSES FOR THE PREPARATION OF ANHYDROSUGARS
[French]
PROCÉDÉS DE PRÉPARATION D'ANHYDROSUCRES
Applicants **
UNIVERSITY OF PUERTO RICO
HORTAL-SÁNCHEZ, Isabel
CARDONA-MARTINEZ, Nelson
Inventors
HORTAL-SÁNCHEZ, Isabel
CARDONA-MARTINEZ, Nelson
Priority Data
63/659,803
13.06.2024
US
Application details
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International Searching Authority |
USPTO
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| * | |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 3828 | |
| EPO | Filing, Examination, Granting | 58942 | |
| Japan | Filing, Examination, Granting | 3994 | |
| South Korea | Filing, Examination, Granting | 5867 | |
| USA | Filing, Examination, Granting | 14910 |

Total:
87,541
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Abstract[English]
Disclosed herein are methods for preparing anhydrosugars from aldohexoses and preparations of anhydrosugars prepared using the disclosed methods. In particular, the disclosure relates to processes for preparing anhydrosugars in polar aprotic solutions and in the presence of an acidic heterogeneous catalyst.[French]
L'invention concerne des procédés de préparation d'anhydrosucres à partir d'aldohexoses et des préparations d'anhydrosucres obtenues à l'aide des procédés décrits. En particulier, l'invention concerne des procédés de préparation d'anhydrosucres dans des solutions aprotiques polaires et en présence d'un catalyseur hétérogène acide.