Production of oxygen and nitrogen substituted benzenes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 21, 1986
Grant Date -
N/A
app pub date -
Nov 2, 1981
filing date -
Nov 15, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
There is disclosed a process for the production of 3-amino-4,6-diacetyl phenol, or a derivative thereof, which comprises reacting a compound of formula III, ##STR1## or a protected derivative thereof, in which R is acetyl or hydrogen, with an excess of acetyl chloride or acetyl bromide and aluminium chloride or aluminium bromide at a temperature of from 30.degree. to 50.degree. C. in an halogenated hydrocarbon solvent.
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 | |
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FISONS LIMITED | 50 KINGS HILL AVENUE KINGS HILL WEST MALLING KENT ME19 4AH |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Coltman, Stephen C W | Loughborough, GB2 | 3 | 4 |
# of filed Patents : 3 Total Citations : 4 | |||
Eyley, Stephen C | Loughborough, GB2 | 3 | 4 |
# of filed Patents : 3 Total Citations : 4 |
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Patent Citation Ranking
- 2 Citation Count
- C07C Class
- 0 % this patent is cited more than
- 39 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
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