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Class Information
Number: 23/294R
Name: Chemistry: physical processes > Physical processes > Sublimation
Description:
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7611548 |
Vertical sublimation apparatus |
Nov. 3, 2009 |
| 7604782 |
Heat rejection sublimator |
Oct. 20, 2009 |
| 7470411 |
Vaporization system |
Dec. 30, 2008 |
| 6840968 |
Method for purification through sublimation |
Jan. 11, 2005 |
| 6837918 |
Process for the manufacture of nanoparticle organic pigments |
Jan. 4, 2005 |
| 6641622 |
Process for preparing phase-stabilized ammonium nitrate |
Nov. 4, 2003 |
| 5811030 |
Process for producing silicon colloid |
Sep. 22, 1998 |
| 5700379 |
Method for drying micromechanical components |
Dec. 23, 1997 |
| 5588969 |
Method for supplying phosphorous vapor |
Dec. 31, 1996 |
| 5567887 |
Anhydrous ammonia gas sampler and concentration system |
Oct. 22, 1996 |
| 5444247 |
Sublimation apparatus and process |
Aug. 22, 1995 |
| 5374382 |
Method of generation and recovery of ultra-fine particles |
Dec. 20, 1994 |
| 5201985 |
Method and apparatus for the purification and control of the composition of non-stoichiometric and stoichiometric crystalline compounds |
Apr. 13, 1993 |
| 5185104 |
Method of treatment of high-level radioactive waste |
Feb. 9, 1993 |
| 5173088 |
Process for preparing crystals of anhydrous sodium sulfide |
Dec. 22, 1992 |
| 5139592 |
Low gravity enhanced growth of phthalocyanine polymorphs and films |
Aug. 18, 1992 |
| 4981658 |
Process for the fine purification of fissionable molybdenum |
Jan. 1, 1991 |
| 4925454 |
Aluminum chloride granules and process to obtain them |
May. 15, 1990 |
| 4917773 |
Process for introducing zirconium tetrachloride, hafnium tetrachloride and mixtures thereof into a column for the continuous extractive distillation under pressure of said chlorides |
Apr. 17, 1990 |
| 4772356 |
Gas treatment apparatus and method |
Sep. 20, 1988 |
| 4765966 |
Sublimation apparatus |
Aug. 23, 1988 |
| 4618345 |
Method of preparing high purity white phosphorus |
Oct. 21, 1986 |
| 4592412 |
Method of periodically heating a product separator of a plant for producing phthalic anhydride or maleic anhydride |
Jun. 3, 1986 |
| 4479927 |
Regenerable cold trap for aluminum chloride effluent |
Oct. 30, 1984 |
| 4380532 |
Process for fine purification of sulphur hexafluoride from impurities |
Apr. 19, 1983 |
| 4347060 |
Method for making antimony trioxide powder |
Aug. 31, 1982 |
| 4334898 |
Device for the production of solid aluminum chloride |
Jun. 15, 1982 |
| 4282057 |
Vapor growth of mercury iodide for use as high energy detectors |
Aug. 4, 1981 |
| 4244697 |
Process for expelling uranium hexafluoride having a high U-235 content from a transportation cylinder |
Jan. 13, 1981 |
| 4232598 |
Apparatus for the dearomatization of coffee oil |
Nov. 11, 1980 |
| 4174203 |
Process and device for the production of submicron-sized metallic oxides |
Nov. 13, 1979 |
| 4168741 |
Apparatus for ammonia feed in copying equipment |
Sep. 25, 1979 |
| 4147572 |
Method for epitaxial production of semiconductor silicon carbide utilizing a close-space sublimation deposition technique |
Apr. 3, 1979 |
| 4127163 |
Freezer-sublimer for gaseous diffusion plant |
Nov. 28, 1978 |
| 4126425 |
Gas mixer for sublimation purposes |
Nov. 21, 1978 |
| 4125596 |
Method of producing sulphuric acid |
Nov. 14, 1978 |
| 4101681 |
Dearomatization of coffee oil |
Jul. 18, 1978 |
| 4060391 |
Apparatus for precipitating and separating a material in a solid form from a gaseous mixture |
Nov. 29, 1977 |
| 4055397 |
Apparatus for separating a sublimation product from a gas |
Oct. 25, 1977 |
| 4036594 |
Apparatus for recovering higher melting organic materials via fractional sublimation |
Jul. 19, 1977 |
| 4002198 |
Finned tube heat exchanger used as a desublimator for isolating sublimation products, especially phthalic anhydride, from reaction gases |
Jan. 11, 1977 |
| 4000716 |
Epitaxial growth device |
Jan. 4, 1977 |
| 3992159 |
Process for purification by cryogenic sublimation |
Nov. 16, 1976 |
| 3961665 |
Apparatus for separating a product of sublimation from a gas |
Jun. 8, 1976 |
| 3953528 |
Process for sublimation purification of crude hydroquinone with stirred and fluidized bed |
Apr. 27, 1976 |
| 3952022 |
Method of condensing phthalic anhydride |
Apr. 20, 1976 |
| 3930800 |
Fluidized bed desubliming apparatus for recovery of aluminum chloride |
Jan. 6, 1976 |
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