Lansoprazole compound and novel preparation method thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8907100
SERIAL NO

14119370

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A process for purifying lansoprazole comprises 1) loading crude lansoprazole material onto a macroporous resin column; 2) concentrating the eluate from the column in a crystallization vessel by vacuum; 3) seeding lansoprazole crystal; 4) crystallizing the lansoprazole; 5) separating the precipitated crystals. The process especially has large processing capacity, can be carried out continuously and therefore suitable for industrial production, improving the quality of formulated products and reducing side effects.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
YINING AIERXING INTELLETUAL PROPERTY SERVICE CO LTDROOM 352 BUILDING B NO 1 NINGYUAN ROAD YINING PARK ECONOMIC DEVELOPMENT ZONE HORGOS

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tao, Linggang Wuyi, CN 15 0

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 9, 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