Patents for B01D 7 - Sublimation (732) |
---|
01/01/1980 | US4181508 Countercurrent heat exchanger |
12/11/1979 | CA1067677A1 Aluminum chloride product and method of preparation |
11/27/1979 | US4175334 Method of and apparatus for freeze-drying previously frozen products |
11/27/1979 | CA1066871A1 Recovery of solid selectively constituted high purity aluminum chloride from gaseous effluent |
11/06/1979 | CA1065583A1 Finned tube heat exchanger used as a desublimator for isolating sublimation, products, especially phthalic anhydride, from reaction gases |
10/09/1979 | CA1063779A1 Apparatus for separating a sublimation product from a gas |
08/14/1979 | CA1060184A1 Method for reducing molybdenum trioxide content of cases issuing from reactors containing molybdenum-based catalysts |
05/30/1979 | EP0002095A1 Process for the fractional desublimation of dianhydride of 1,2,4,5-benzenetetracarboxylic acid |
01/30/1979 | CA1047233A1 Gas mixer for sublimation purposes |
11/28/1978 | US4127163 Freezer-sublimer for gaseous diffusion plant |
11/21/1978 | US4126425 Gas mixer for sublimation purposes |
11/07/1978 | US4124682 Method of producing high purity aluminum chloride |
10/31/1978 | US4123498 Process for separating fission product molybdenum from an irradiated target material |
08/22/1978 | US4108968 Control of purity and particle size in production of aluminum chloride |
03/21/1978 | US4080182 Apparatus for condensing vapors of subliming substances |
01/24/1978 | US4070448 Method of producing high purity aluminum chloride |
01/03/1978 | US4066424 Selectively recovering metal chlorides from gaseous effluent |
12/13/1977 | US4062871 Applying heat to external surface of separator |
11/29/1977 | US4060391 Apparatus for precipitating and separating a material in a solid form from a gaseous mixture |
10/25/1977 | US4055397 Apparatus for separating a sublimation product from a gas |
07/19/1977 | US4036594 Apparatus for recovering higher melting organic materials via fractional sublimation |
06/14/1977 | US4029750 Solid particulate lobular AlCl3 |
06/14/1977 | US4029636 Method for reducing molybdenum trioxide content of gases issuing from reactors containing molybdenum-based catalysts |
01/11/1977 | US4002880 Evaporation source |
01/11/1977 | US4002198 Finned tube heat exchanger used as a desublimator for isolating sublimation products, especially phthalic anhydride, from reaction gases |
01/04/1977 | US4001434 Using beta-1,4-glucan |
11/16/1976 | US3992159 Process for purification by cryogenic sublimation |
06/08/1976 | US3961665 Apparatus for separating a product of sublimation from a gas |
05/11/1976 | US3956455 Recovery of solid selectively constituted high purity aluminum chloride from hot gaseous effluent |
04/27/1976 | US3953528 Process for sublimation purification of crude hydroquinone with stirred and fluidized bed |
01/27/1976 | US3935293 Method for the manufacture of metallic chlorides |
01/06/1976 | US3930800 Fluidized bed desubliming apparatus for recovery of aluminum chloride |