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Class Information
Number: 159/13.1
Name: Concentrating evaporators > Film type > Moving film
Description: Apparatus adapted to maintain the liquid to be concentrated in a moving film.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6998026 |
Method for producing tertiary C.sub.4-C.sub.8-alkyl esters of (meth)acrylic acid |
Feb. 14, 2006 |
| 6911121 |
Method and apparatus for simultaneous heat and mass transfer utilizing a carrier-gas |
Jun. 28, 2005 |
| 6635150 |
Method for distilling a fluid with horizontal vapor transfer into a condensation zone and modular device for implementing said method |
Oct. 21, 2003 |
| 6627047 |
Method for preventing polymerization in thin-film type evaporating device |
Sep. 30, 2003 |
| 6596244 |
Falling film reactor with corrugated plates |
Jul. 22, 2003 |
| 6423187 |
Heat exchanger mechanism using capillary wipers for a thin film distiller |
Jul. 23, 2002 |
| 6309508 |
Spinning disk evaporator |
Oct. 30, 2001 |
| 6080273 |
Method and device for treating liquids by partial evaporation |
Jun. 27, 2000 |
| 6066232 |
Method and vaporizer for vaporizing oxidation-sensitive compounds |
May. 23, 2000 |
| 5795446 |
Method and equipment for heat-of-vaporization transfer |
Aug. 18, 1998 |
| 5792663 |
High efficiency continuous flow through fractional-volatilization separator system, and method of use |
Aug. 11, 1998 |
| 5716496 |
Method and apparatus for treatment of black liquor |
Feb. 10, 1998 |
| 5628901 |
Vessel for treating liquids |
May. 13, 1997 |
| 5596067 |
Free fall polymerization process for the production of polycarbonates |
Jan. 21, 1997 |
| 5589525 |
Process for preparing novel high solids non-aqueous polymer compositions |
Dec. 31, 1996 |
| 5538593 |
Thin film flow-down type concentrating apparatus |
Jul. 23, 1996 |
| 5538593 |
Thin film flow-down type concentrating apparatus |
Jul. 23, 1996 |
| 5534113 |
Forming solutions |
Jul. 9, 1996 |
| 5512141 |
Distillation apparatus |
Apr. 30, 1996 |
| 5425849 |
Film-type evaporator |
Jun. 20, 1995 |
| 5419814 |
Thin layer liquid film type evaporator |
May. 30, 1995 |
| 5417805 |
Brushed film evaporator |
May. 23, 1995 |
| 5259928 |
Apparatus for evaporation of liquid solutions |
Nov. 9, 1993 |
| 5211812 |
Device for the recovery of a processed liquid in the form of a condensate on a liquid to be processed |
May. 18, 1993 |
| 5185060 |
Film evaporator |
Feb. 9, 1993 |
| 5098518 |
Thin film down flow type concentrator |
Mar. 24, 1992 |
| 5093141 |
Product and process for production of alcohol-free wines or alcohol reduced wines and brandy |
Mar. 3, 1992 |
| 5082535 |
Apparatus for the extraction of oil or polychlorinated biphenyl from electrical parts through the use of solvents and for distillation of the solvents |
Jan. 21, 1992 |
| 5069750 |
Distributor for a devolatilizer |
Dec. 3, 1991 |
| 5062927 |
Method of operating a still |
Nov. 5, 1991 |
| 5053201 |
Process and apparatus for preparation of polyesters |
Oct. 1, 1991 |
| 4981554 |
Thin-layer evaporator for high-viscosity, fluids |
Jan. 1, 1991 |
| 4946559 |
Removal of dissolved volatile impurities from liquid |
Aug. 7, 1990 |
| 4944839 |
Interstage liquor heater for plate type falling film evaporators |
Jul. 31, 1990 |
| 4938846 |
Preparation of anhydrous alkanesulfonic acid |
Jul. 3, 1990 |
| 4904347 |
Method and apparatus for distilling liquid hydrocarbon products |
Feb. 27, 1990 |
| 4878535 |
Selective condensation apparatus |
Nov. 7, 1989 |
| 4863570 |
Process for fractional distillation under vacuum |
Sep. 5, 1989 |
| 4863568 |
Apparatus for fractional distillation under vacuum |
Sep. 5, 1989 |
| 4822455 |
Distilling and desalination apparatus |
Apr. 18, 1989 |
| 4786363 |
Radial skin evaporator |
Nov. 22, 1988 |
| 4756797 |
Multiple effect evaporator with an evaporative condenser as a liquid evaporation effect |
Jul. 12, 1988 |
| 4747915 |
Falling-film process for the cocurrent evaporation of a solution |
May. 31, 1988 |
| 4744957 |
Apparatus for removing volatile matters contained in polymers |
May. 17, 1988 |
| 4731159 |
Evaporator |
Mar. 15, 1988 |
| 4706741 |
Heat exchanger of falling film type |
Nov. 17, 1987 |
| 4683026 |
Thin layer evaporator |
Jul. 28, 1987 |
| 4683025 |
Method and apparatus to convert a long tube vertical evaporator to a falling film evaporator |
Jul. 28, 1987 |
| 4673459 |
Radial configuration of evaporator heating elements and method |
Jun. 16, 1987 |
| 4640740 |
Apparatus for evaporative stripping |
Feb. 3, 1987 |
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