Process for the purification of 2-phenyl-2-methyl-propanoic acid derivatives

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9334223
APP PUB NO 20150099899A1
SERIAL NO

14505578

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Process for the preparation of 2-phenyl-2-methyl propanoic acid derivatives, useful as intermediates in the preparation of fexofenadine hydrochloride.

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
Lucchini, Vittorio Baranzate, IT 14 48
Mittino, Mauro Baranzate, IT 2 1
Razzetti, Gabriele Baranzate, IT 65 113
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
7.5 Year Payment $3600.00 $1800.00 $900.00 Nov 10, 2023
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 10, 2027
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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