Methods for stereoselective reduction

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9238672
APP PUB NO 20140357868A1
SERIAL NO

14268952

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The invention is directed to a method to reduce a C—C double bond of an enone of a steroidal compound to produce a mixture of β ketone product and α ketone product, comprising treating a solution or suspension of the steroidal compound in a solvent with hydrogen gas in the presence of a catalyst and a substituted pyridine.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
ROYALTY SECURITY LLC1209 ORANGE STREET THE CORPORATION TRUST COMPANY WILMINGTON DE 19801

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Austad, Brian C Tewksbury, US 22 232
Lescarbeau, Andre Somerville, US 45 1373
Yu, Lin-Chen Quincy, US 19 198

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 Jul 19, 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