Tobacco-derived colorants and colored substrates
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 6, 2023
Grant Date -
Oct 15, 2020
app pub date -
Jun 25, 2020
filing date -
Oct 4, 2016
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Abstract
Methods for obtaining natural colorants from plant material (e.g., tobacco material) and for using such natural colorants to dye various substrates are provided. Natural colorants are obtained using particular enzymes and particular conditions (e.g., time, temperature, and pH profiles). Such colorants can be used to dye substrates, for example, using conventional dyeing techniques or using unique in situ methods.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
R J REYNOLDS TOBACCO COMPANY | WINSTON-SALEM NC 27101 |
International Classification(s)

- 2020 Application Filing Year
- A24B Class
- 317 Applications Filed
- 139 Patents Issued To-Date
- 43.85 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Bussey,, III Robert Owen | Winston-Salem, US | 2 | 0 |
# of filed Patents : 2 Total Citations : 0 | |||
Garcia, Ercilia Hernandez | Clayton, US | 14 | 114 |
# of filed Patents : 14 Total Citations : 114 | |||
Stewart, Charles | Kingsport, US | 26 | 265 |
# of filed Patents : 26 Total Citations : 265 |
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Patent Citation Ranking
- 0 Citation Count
- A24B Class
- 0 % this patent is cited more than
- 2 Age
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- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Dec 6, 2026 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 6, 2030 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 6, 2034 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
Full Text

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Dec 19, 2017 | F | Filing | |
Dec 30, 2016 | PD | Priority Date |

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