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Class Information
Number: 23/306
Name: Chemistry: physical processes > Physical processes > Concentration of liquids in liquids
Description: Processes involving concentration of solutions of liquids in liquids not otherwise provided for.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7513972 |
Portable brine evaporator unit, process, and system |
Apr. 7, 2009 |
| 7442848 |
Treatment of chemical agent hydrolysates |
Oct. 28, 2008 |
| 6391205 |
Osmotic desalinization process |
May. 21, 2002 |
| 6197152 |
Process and apparatus for recovery of lithium in a helminthoid evaporator |
Mar. 6, 2001 |
| 5843602 |
Method of adjusting concentration of developer through load cell utilization and wet nitrogen gas atmosphere |
Dec. 1, 1998 |
| 5640331 |
Method and apparatus for obtaining species concentrations and reaction rates in a turbulent reacting flow |
Jun. 17, 1997 |
| 5586051 |
Chemical reactor feed control |
Dec. 17, 1996 |
| 5228885 |
Process of concentrating a dilute sulfuric acid in a three-stage forced-circulation vacuum evaporation plant |
Jul. 20, 1993 |
| 5114567 |
Method for determining the properties and amount of fluid in a sample |
May. 19, 1992 |
| 4871373 |
Continuous preparation of solutions of low viscosity solvents and high viscosity, pasty products |
Oct. 3, 1989 |
| 4529444 |
Method for separating solutions |
Jul. 16, 1985 |
| 4528168 |
Brine saturator method of operation |
Jul. 9, 1985 |
| 4406869 |
Process for producing anhydrous sodium carbonate crystal |
Sep. 27, 1983 |
| 4391711 |
Method of, and apparatus for, effecting liquid-liquid contact |
Jul. 5, 1983 |
| 4329155 |
Process for the purification of waste sulfuric acid containing fluoride |
May. 11, 1982 |
| 4282178 |
Use of hydrazine compounds as corrosion inhibitors in caustic solutions |
Aug. 4, 1981 |
| 4244924 |
Dual temperature concentration system |
Jan. 13, 1981 |
| 4067082 |
Carpet cleaning |
Jan. 10, 1978 |
| 4014735 |
Concentration and separation of corrosive liquid mixtures |
Mar. 29, 1977 |
| 3933575 |
Separation of corrosive liquid mixtures |
Jan. 20, 1976 |
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