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.:
Date of Patent:
May. 19, 2026
Filed:
Jul. 21, 2021
Applicants:
Ddp Specialty Electronic Materials Us 8, Llc, Wilmington, DE (US);
Dupont Safety & Construction, Inc., Wilmington, DE (US);
Inventors:
Jose Antonio Trejo Oreilly, Lansdale, PA (US);
Sourav Kumar Sengupta, Wilmington, DE (US);
Jonathan M. Bingaman, Birdsboro, PA (US);
Assignees:
DDP SPECIALTY ELECTRONIC MATERIALS US 8, LLC, Wilmington, DE (US);
DUPONT SAFETY & CONSTRUCTION, INC., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/141 (2006.01); B01D 15/36 (2006.01);
U.S. Cl.
CPC ...
C07C 29/141 (2013.01); B01D 15/361 (2013.01); C07C 2523/46 (2013.01);
Abstract
A method for reduction of sugars. The first step is providing a solution of a sugar comprising from five to twenty carbon atoms. The second step is contacting said solution with hydrogen gas and a catalyst. The catalyst is an ion exchange resin comprising Ru.