Claims
- 1. An aromatic aldehyde composition comprising:
about 85% to about 97% by weight para-tolualdehyde; about 2% to about 10% by weight ortho-tolualdehyde; and about 2% by weight or less of meta-tolualdehyde, wherein the aromatic aldehyde composition is produced from contacting toluene with a carbonylation catalyst.
- 2. The aromatic aldehyde composition of claim 1, wherein the meta-tolualdehyde comprises about 1% by weight or less of the aromatic aldehyde composition.
- 3. The aromatic aldehyde composition of claim 1, wherein the meta-tolualdehyde comprises about 0.5% by weight or less of the aromatic aldehyde composition.
- 4. The aromatic aldehyde composition of claim 1, wherein at least one carbonylation catalyst is selected from perfluoroalkyl sulfonic acids with about 2 to about 18 carbon atoms, perfluoroether sulfonic acids with about 2 to about 18 carbon atoms, GaBr3, GaCl3, AlBr3, AlCl3, AlI3, TaF5, NbF5, and NbBr5.
- 5. The aromatic aldehyde composition of claim 1, wherein at least one carbonylation catalyst is selected from perfluorohexane sulfonic acid, perfluorooctane sulfonic acid, and perfluoroethoxyethane sulfonic acid.
- 6. An aromatic acid composition comprising:
about 80% to about 98% by weight terephthalic acid; about 2% to about 10% by weight phthalic acid; and less than about 3% by weight isophthalic acid.
- 7. An aromatic aldehyde composition comprising:
about 80% to about 96% by weight 2,4-dimethylbenzylaldehyde; about 2% to about 15% by weight 3,4-dimethylbenzylaldehyde; less than about 3% by weight 2,5-dimethylbenzylaldehyde; and less than about 3% by weight 4-ethyllbenzylaldehyde, wherein the aromatic aldehyde composition is produced from contacting mixed xylenes with a carbonylation catalyst.
- 8. The aromatic aldehyde composition of claim 7, wherein the 2,4-dimethylbenzylaldehyde comprises at least about 90% by weight of the aromatic aldehyde composition.
- 9. The aromatic aldehyde composition of claim 7, wherein the 3,4-dimethylbenzylaldehyde comprises about 2% to about 6% by weight of the aromatic aldehyde composition.
- 10. The aromatic aldehyde composition of claim 7, further comprising a ratio of 4-ethylbenzylaldehyde:2,5-dimethylbenzylaldehyde by weight from about 2:1 to about 3:1.
- 11. The aromatic aldehyde composition of claim 7, wherein at least one carbonylation catalyst is selected from perfluoroalkyl sulfonic acids with about 2 to about 18 carbon atoms, perfluoroether sulfonic acids with about 2 to about 18 carbon atoms, GaBr3, GaCl3, AlBr3, AlCl3, AlI3, TaF5, NbF5, and NbBr5.
- 12. The aromatic aldehyde composition of claim 7, wherein at least one carbonylation catalyst is selected from perfluorohexane sulfonic acid, perfluorooctane sulfonic acid, and perfluoroethoxyethane sulfonic acid.
- 13. The aromatic aldehyde composition of claim 7, wherein the carbonylation catalyst is GaCl3.
- 14. An aromatic acid composition comprising:
about 80% to about 98% by weight trimellitic acid; and about 2% to about 10% by weight terephthalic acid.
- 15. An alkyl benzaldehyde composition comprising:
about 32% to about 33% by weight ethyldimethylbenzylaldehyde; about 18% to about 20% by weight methylpropylbenzylaldehyde; and about 20% to about 22% by weight diethyl- and propylethylbenzylaldehyde; about 9% to about 10% naphthaldehyde; and about 0.5% to about 1% butylbenzaldehye; wherein the alkyl benzaldehyde composition is produced from contacting an alkyl benzene feedstock with a carbonylation catalyst.
- 16. The alkyl benzaldehyde composition of claim 15, wherein at least one carbonylation catalyst is selected from perfluoroalkyl sulfonic acids with about 2 to about 18 carbon atoms, perfluoroether sulfonic acids with about 2 to about 18 carbon atoms, GaBr3, GaCl3, AlBr3, AlCl3, AlI3, TaF5, NbF5, and NbBr5.
- 17. An alkyl napthylaldehyde composition comprising:
about 50% to about 52% by weight methylnapthylaldehyde; about 25% to about 28% by weight dimethylnapthylaldehyde; about 11% to about 12% by weight napthaldehyde; about 7% to about 8% by weight ethylnapthaldehyde; and about 5% to about 6% by weight indanecarboxaldehyde and dimethylindanecarboxaldehyde; wherein the alkyl napthylaldehyde composition is produced from contacting an alkyl napthalene feedstock with a high boiling point carbonylation catalyst.
- 18. The alkyl napthylaldehyde composition of claim 17, wherein at least one carbonylation catalyst is selected from perfluoroalkyl sulfonic acids with about 2 to about 18 carbon atoms, perfluoroether sulfonic acids with about 2 to about 18 carbon atoms, GaBr3, GaCl3, AlBr3, AlCl3, AlI3, TaF5, NbF5, and NbBr5.
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application is a continuation of U.S. Ser. No. 09/393,664, filed Sep. 9, 1999, which claims priority to U.S. Ser. No. 60/099,783, filed Sep. 10, 1998.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60099783 |
Sep 1998 |
US |
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
09393664 |
Sep 1999 |
US |
Child |
09933519 |
Aug 2001 |
US |