Process for the preparation of pteridine derivatives

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8809553
APP PUB NO 20130090474A1
SERIAL NO

13703932

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The application discloses a process for the preparation of 5-deoxy-L-arabinose of formula (VI); comprising the conversion of a compound of formula (XII); wherein n is 0, 1 or 2; which can be used as intermediate for the synthesis of sapropterin.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • DIPHARMA FRANCIS S.R.L.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Allegrini, Pietro Baranzate, IT 114 322
Attolino, Emanuele Baranzate, IT 35 48
Michieletti, Mario Baranzate, IT 4 0
Rossi, Davide Baranzate, IT 8 20

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 Feb 19, 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