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Class Information
Number: 203/62
Name: Distillation: processes, separatory > Adding material to distilland except water or steam per se > Organic compound > Aldehyde or ketone
Description: Processes in which the organic compound is an aldehyde or a ketone.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7371309 |
Purification of difluoromethane by extractive distillation |
May. 13, 2008 |
| 7306705 |
Method for dehydrating composition comprising lithium bis(pentafluoroethanesulfonyl)imide |
Dec. 11, 2007 |
| 7037412 |
Method for preparing deodorized N-vinyl-2-pyrrolidone |
May. 2, 2006 |
| 6955743 |
Method for producing furfural, acetic acid and formic acid from spent pulp-cooking liquor |
Oct. 18, 2005 |
| 6787001 |
Method for distilling (meth) acrylic acid solution |
Sep. 7, 2004 |
| 6582565 |
Recovery of 3,4-epoxy-1-butene by extractive distillation |
Jun. 24, 2003 |
| 6444096 |
Process for the recovery and purification of cyclobutanone |
Sep. 3, 2002 |
| 6395141 |
Separation of components from aromatic hydrocarbon mixtures thereof by extractive distillation |
May. 28, 2002 |
| 6315869 |
Process for purification of perfluorovinyl ethers |
Nov. 13, 2001 |
| 6179967 |
Purification process of pentrafluoroethane |
Jan. 30, 2001 |
| 6159346 |
Inhibition of 141b decomposition |
Dec. 12, 2000 |
| 6042697 |
Separation of 9,11-Diene C18 fatty acid from 10,12-Diene C18 fatty acid by azeotropic distillation |
Mar. 28, 2000 |
| 6024841 |
Separation of 2-methyl-1-butanol and 3-methyl-1-butanol from 1-pentanol by extractive distillation |
Feb. 15, 2000 |
| 6017423 |
Separation of 3-methyl-2-pentenal from N-butanol by extractive distillation |
Jan. 25, 2000 |
| 6015875 |
Process for making acetals |
Jan. 18, 2000 |
| 6004435 |
Separation of cumene from 3-ethyl toluene by azeotropic distillation |
Dec. 21, 1999 |
| 5993610 |
Separation of ethyl acetate from ethanol by azeotropic distillation |
Nov. 30, 1999 |
| 5972173 |
Allyl alcohol purification |
Oct. 26, 1999 |
| 5972172 |
Separation of 1,2,4-trimethylbenzene from 1,2,3-trimethylbenzene by extractive distillation |
Oct. 26, 1999 |
| 5961789 |
Separation of t-amyl alcohol from n-butanol by extractive distillation |
Oct. 5, 1999 |
| 5928478 |
Separation of linoleic acid from linolenic acid by azeotropic distillation |
Jul. 27, 1999 |
| 5908538 |
Separation of T-amyl alcohol from 2- methyl-1 -propanol azeotropic distillation |
Jun. 1, 1999 |
| 5904815 |
Separation of t-amyl alcohol from n-butanol by azeotropic distillation |
May. 18, 1999 |
| 5897750 |
Separation of acetone from isopropanol-water mixtures by extractive distillation |
Apr. 27, 1999 |
| 5882485 |
Process for the separation of dimethyl ether and chloromethane in mixtures |
Mar. 16, 1999 |
| 5879517 |
Method for separating 2-butanol from t-amyl alcohol using certain organic compounds as the agent in extractive distillation |
Mar. 9, 1999 |
| 5876569 |
Separation of methyl ethyl ketone from ethanol by extractive distillation |
Mar. 2, 1999 |
| 5840160 |
Separation of 3-carene from limonene by extractive distillation |
Nov. 24, 1998 |
| 5830324 |
Controlled continuous purification of propylene oxide by extractive distillation |
Nov. 3, 1998 |
| 5800681 |
Separation of ethanol, isopropanol and water mixtures by extractive distillation |
Sep. 1, 1998 |
| 5795447 |
Separation of 2-butanol from isobutanol by extractive distillation |
Aug. 18, 1998 |
| 5789629 |
Separating 3-methyl-1-butanol from 1-pentanol using certain organic compounds as the agent in extractive distillation |
Aug. 4, 1998 |
| 5779862 |
Separation of 2-methyl-1-butanol and 3-methyl-1-butanol from 1-pentanol by azeotropic distillation |
Jul. 14, 1998 |
| 5776321 |
Separation of t-amyl alcohol from 1-propanol by azeotropic distillation |
Jul. 7, 1998 |
| 5772853 |
Separation of 1-propanol from t-amyl alcohol by extractive distillation |
Jun. 30, 1998 |
| 5763694 |
Separating 3-methyl-1-butanol from 1-pentanol by azeotropic distillation |
Jun. 9, 1998 |
| 5763695 |
Separation of 3-methyl-1-butanol from 1-pentanol by extractive distillation |
Jun. 9, 1998 |
| 5759359 |
Separation of 2-butanol from tert.amyl alcohol by azeotropic distillation |
Jun. 2, 1998 |
| 5741940 |
Process for the production and purification of vinyl carbonyls |
Apr. 21, 1998 |
| 5738763 |
Separation of 2-methyl-1-propanol from 2-methyl-1-butanol by extractive distillation |
Apr. 14, 1998 |
| 5738764 |
Separation of T-Amyl alcohol from 2-methyl-1- propanol by azeotropic distillation |
Apr. 14, 1998 |
| 5723024 |
Separation of 2-methyl-1-propanol from 1-butanol by extractive distillation |
Mar. 3, 1998 |
| 5720857 |
Separation of 1,2,4-trimethylbenzene from 1,2,3-trimethylbenzene by azeotropic distillation |
Feb. 24, 1998 |
| 5718809 |
Separation of t-amyl alcohol from 2-methyl-1-propanol by extractive distillation |
Feb. 17, 1998 |
| 5716499 |
Separation of 2-methyl-1-propanol from 1-butanol by azeotropic distillation |
Feb. 10, 1998 |
| 5709781 |
Separation of 1-butanol from 2-pentanol by extractive distillation |
Jan. 20, 1998 |
| 5705038 |
Separation of phellandrene from limonene by extractive distillation |
Jan. 6, 1998 |
| 5698080 |
Separation of phellandrene from limonene by azeotropic distillation |
Dec. 16, 1997 |
| 5693193 |
Process for recovering propylene oxide |
Dec. 2, 1997 |
| 5693194 |
Separation of butyraldehyde from ethanol by extractive distillation |
Dec. 2, 1997 |
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