Process for producing carboxylic acids
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United States of America Patent
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Aug 31, 2004
Grant Date -
Jul 10, 2003
app pub date -
Oct 4, 2002
filing date -
Oct 5, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for producing a carboxylic acid having (n+1) carbon atoms, which includes carbonylating an alcohol having n carbon atoms, and/or an ester of the alcohol and the carboxylic acid in each alkyl group with carbon monoxide in the presence of a catalytic system containing a rhodium catalyst. The process uses a reaction medium for the carbonylation that includes: (1) a rhodium catalyst, (2) an organic halide corresponding to said alcohol, (3) an ester of the alcohol and the carboxylic acid, (4) the carboxylic acid, optionally (5) water, a haloid acid, an inorganic halogen salt or an acetate, and (6) a cocatalyst selected from arginine, N-acetyl alanine, or nitrogen- and oxygen-containing organic compounds.
First Claim
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Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| TW | B | TW567183 | Oct 05, 2001 |
International Classification(s)
- 2002 Application Filing Year
- C07C Class
- 2731 Applications Filed
- 924 Patents Issued To-Date
- 33.84 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- C07C Class
- 17.76 % this patent is cited more than
- 21 Age
