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Class Information
Number: 203/2
Name: Distillation: processes, separatory > With measuring, testing or inspecting > Of temperature or pressure
Description: Processes directed to specifically determining the temperature and/or pressure of the feed, vapor, residue or condensate.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7597784 |
Pressurized vapor cycle liquid distillation |
Oct. 6, 2009 |
| 7557257 |
Method for the separation of a crude C.sub.4 cut |
Jul. 7, 2009 |
| 7556716 |
Method for recording the boiling curve of liquids and device for carrying out the method |
Jul. 7, 2009 |
| 7547378 |
Method for the purification of dimethylacetamide (DMAc) |
Jun. 16, 2009 |
| 7531066 |
Method for the purification of acrolein |
May. 12, 2009 |
| 7497931 |
Distillative preparation of IPDA having a high cis/trans isomer ratio |
Mar. 3, 2009 |
| 7473338 |
Distillation apparatus for readily polymerizable compound |
Jan. 6, 2009 |
| 7465376 |
Method and device for treating liquids |
Dec. 16, 2008 |
| 7435317 |
Desalination of ocean water |
Oct. 14, 2008 |
| 7431805 |
Method and apparatus for simultaneous heat and mass transfer utilizing a carrier-gas at various absolute pressures |
Oct. 7, 2008 |
| 7429312 |
Method for processing multi-component liquid mixtures and device for carrying out said method |
Sep. 30, 2008 |
| 7425247 |
Method for producing an aqueous solution hydroxylamine |
Sep. 16, 2008 |
| 7393436 |
Thermal separating process for removing at least one stream containing enriched (meth) acrylic monomers |
Jul. 1, 2008 |
| 7390380 |
Processing of shipboard wastewater |
Jun. 24, 2008 |
| 7347918 |
Energy efficient evaporation system |
Mar. 25, 2008 |
| 7332057 |
Method of vaporizing liquids by microwave heating |
Feb. 19, 2008 |
| 7329330 |
Method and device for the distillative processing of 1,6-hexanediol, 1,5-pentanediol and caprolactone |
Feb. 12, 2008 |
| 7279076 |
Apparatus and method for handling easily polymerizable substance, apparatus for extracting liquid from apparatus under reduced pressure, and process for producing easily polymerizable substanc |
Oct. 9, 2007 |
| 7276139 |
Method for concentrating solution |
Oct. 2, 2007 |
| 7267746 |
Dividing wall distillation column control apparatus |
Sep. 11, 2007 |
| 7258766 |
Method for collecting acrylic acid |
Aug. 21, 2007 |
| 7255777 |
Distillation system |
Aug. 14, 2007 |
| 7241928 |
Process for the manufacture of halocarbons and selected compounds and azeotropes with HF |
Jul. 10, 2007 |
| 7226527 |
Method for recovering crude 1,3-butadiene by extractive distillation from a C.sub.4 cut |
Jun. 5, 2007 |
| 7169267 |
Method and device for carrying out the distillative separation of C.sub.5+ cuts |
Jan. 30, 2007 |
| 7163606 |
Process for recovering methylene chloride |
Jan. 16, 2007 |
| 7147757 |
Method for separating an azepine derivative out of a mixture containing an amine an azepine derivative |
Dec. 12, 2006 |
| 7132038 |
Method and device for obtaining 1,3 pure butadiene from 1,3 raw butadiene by distillation |
Nov. 7, 2006 |
| 7128814 |
Process for separating 2-butanol from tert-butanol/water mixtures |
Oct. 31, 2006 |
| 7125474 |
Process for removing 2-butanol from tert-butanol/water mixtures |
Oct. 24, 2006 |
| 7048833 |
Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefins |
May. 23, 2006 |
| 7048835 |
System and method for acetic acid recovery during terephthalic acid production |
May. 23, 2006 |
| 7041198 |
Distillation system |
May. 9, 2006 |
| 7001490 |
Purification of ammonia by distillation |
Feb. 21, 2006 |
| 6982026 |
Azeotropic distillation process for producing organic acids or organic acid amides |
Jan. 3, 2006 |
| 6946060 |
Purification of N,N-dimethylacetamide |
Sep. 20, 2005 |
| 6936140 |
Water distillation system |
Aug. 30, 2005 |
| 6926810 |
Process for obtaining an organic acid from an organic acid ammonium salt, an organic acid amide, or an alkylamine organic acid complex |
Aug. 9, 2005 |
| 6926809 |
Device and process for the purification of cyanuric chloride |
Aug. 9, 2005 |
| 6911120 |
Distillation system with individual fractionation tray temperature control |
Jun. 28, 2005 |
| 6887344 |
Compact wastewater cleaning apparatus |
May. 3, 2005 |
| 6887352 |
Distillative method for separating hexamethylenediamine from a mixture comprising hexamethylenediamine, 6-aminocapronitrile and tetrahydroazepine |
May. 3, 2005 |
| 6869501 |
Continuous process for controlled concentration of colloidal solutions |
Mar. 22, 2005 |
| 6863780 |
Process of separating/purifying pentafluoropropane |
Mar. 8, 2005 |
| 6863778 |
Separation of tertiary butyl alcohol from diisobutylene |
Mar. 8, 2005 |
| 6821394 |
Process of extracting from haw-pit by dry distillation and its device |
Nov. 23, 2004 |
| 6787001 |
Method for distilling (meth) acrylic acid solution |
Sep. 7, 2004 |
| 6758945 |
Method and apparatus for quenching the coke drum vapor line in a coker |
Jul. 6, 2004 |
| 6706153 |
Process for the separation of a ketoxime or aldoxime from an amide |
Mar. 16, 2004 |
| 6692616 |
Method for purifying trimethylolpropane, which is produced by hydrogenation, by means of continuous distillation |
Feb. 17, 2004 |
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