Process for preparing (4R,12aS)-7-methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1′ ,2′:4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic acid

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9120817
SERIAL NO

14513265

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention relates to processes for the preparation of (4R,12aS)-7-methoxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1′,2′:4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic acid by contacting a pyridinone carboxylic acid aldehyde with (3R)-3-amino-1-butanol.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
VIIV HEALTHCARE COMPANYWILMINGTON DELAWARE 19808

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goodman, Steven N Research Triangle Park, US 9 2
Kowalski, Matthew Research Triangle Park, US 13 0
Mans, Douglas Research Triangle Park, US 9 0
Wang, Huan Research Triangle Park, US 313 628

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 Mar 1, 2027
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