Method for preparing flavorful compounds isolated from black liquor and products incorporating the flavorful compounds

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11154087
APP PUB NO 20170215471A1
SERIAL NO

15013751

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A method of isolating compounds from a tobacco-derived black liquor, including receiving a black liquor from a pulping process of an input material comprising a plant of the Nicotiana species, treating the black liquor with an acid to lower the pH of the black liquor to about 7 or lower in order to produce a precipitate and an acidified black liquor, separating the precipitate and the acidified black liquor, extracting the acidified black liquor with an organic solvent in order to produce an organic layer extract and an aqueous layer extract, and separating the organic layer extract and the aqueous layer extract.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • R.J. REYNOLDS TOBACCO COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dube, Michael Francis Winston-Salem, US 61 1645
Gerardi, Anthony Richard Winston-Salem, US 86 502
Junker, Christopher Pfafftown, US 4 68

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
3.5 Year Payment $1600.00 $800.00 $400.00 Apr 26, 2025
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 26, 2029
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 26, 2033
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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