Process for the production of sitagliptin

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8912327
APP PUB NO 20140081026A1
SERIAL NO

14114781

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A novel process is described for the synthesis of Sitagliptin, IUPAC name 7-[(3R)-3-amino-1-oxo-4-(2,4,5-trifluorophenyl)butyl]-5,6,7,8-tetrahydro-3-(trifluoromethyl)-1 2,4-triazolo[4,3-a]pyrazine, of formula (I).

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CHEMO IBERICA S ABARCELONA LORNA BARCELONA BARCELONA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Minelli, Cosima Somma Lombardo, IT 1 2
Rasparini, Marcello Cura Carpignano, IT 13 8
Tufaro, Roberto Rocco Sozzago, IT 2 2

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 16, 2026
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00