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Class Information
Number: 422/251
Name: Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing > Physical type apparatus > Crystallizer > Including means separating and conveying crystals to a melting zone
Description: Apparatus having means for separating and transporting crystals to the melting zone.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7179435 |
Method and apparatus for recovering a pure substance from an impure solution by crystallization |
Feb. 20, 2007 |
| 6916455 |
Protein crystallography prescreen kit |
Jul. 12, 2005 |
| 6767520 |
Cooling system for polymer processing |
Jul. 27, 2004 |
| 6703479 |
Process and apparatus for cooling polymer in a reactor |
Mar. 9, 2004 |
| 6355218 |
Crystallizer with cooling element and sweeping element with sweeping parts, and sweeping element and sweeping part for such a crystallizer |
Mar. 12, 2002 |
| 6315967 |
Crystallizing process |
Nov. 13, 2001 |
| 6310239 |
Process for manufacturing terephthalic acid |
Oct. 30, 2001 |
| 6139811 |
EFG crystal growth apparatus |
Oct. 31, 2000 |
| 6080374 |
Centrifugal crystallization refining apparatus |
Jun. 27, 2000 |
| 5961935 |
Method and apparatus for preparing purified terephthalic acid |
Oct. 5, 1999 |
| 5830418 |
Method of using ultrasound to promote crystallization of solid substances contained in a flowable material |
Nov. 3, 1998 |
| 5700435 |
Method and apparatus for separating a substance from a liquid mixture by fractional crystallization |
Dec. 23, 1997 |
| 5662870 |
Fluid bed cooling system for polymer processing |
Sep. 2, 1997 |
| 5593496 |
Slurry crystallization method using bubbles directed at a heat exchanger |
Jan. 14, 1997 |
| 5523064 |
Crystallization apparatus |
Jun. 4, 1996 |
| 5500189 |
Apparatus for crystallization of organic matter |
Mar. 19, 1996 |
| 5338519 |
Process and apparatus for separating substances by crystallization |
Aug. 16, 1994 |
| 5230769 |
Process and apparatus for separating substances by crystallization |
Jul. 27, 1993 |
| 5178840 |
Single wafer regrowth of silicon |
Jan. 12, 1993 |
| 5133829 |
Single wafer regrowth of silicon |
Jul. 28, 1992 |
| 5127921 |
Multistage recrystallization for superpurifying crystallizable substances |
Jul. 7, 1992 |
| 5089082 |
Process and apparatus for producing silicon ingots having high oxygen content by crucible-free zone pulling, silicon ingots obtainable thereby and silicon wafers produced therefrom |
Feb. 18, 1992 |
| 5034199 |
Zone melt recrystallization apparatus |
Jul. 23, 1991 |
| 4978509 |
Lamella settler crystallizer |
Dec. 18, 1990 |
| 4891190 |
Incrustation resistive crystallizer employing multifrequency vibrations |
Jan. 2, 1990 |
| 4891191 |
High efficiency column crystallizer |
Jan. 2, 1990 |
| 4806318 |
Apparatus for purifying crystals |
Feb. 21, 1989 |
| 4743434 |
Apparatus for treatment of suspended particles with a liquid in countercurrent |
May. 10, 1988 |
| 4735781 |
Apparatus for concentrating a suspension |
Apr. 5, 1988 |
| 4727218 |
Procedure and means for separating or purifying organic substances |
Feb. 23, 1988 |
| 4711697 |
Method for investigating the formation of crystals in a transparent material |
Dec. 8, 1987 |
| 4623372 |
Crystallization process |
Nov. 18, 1986 |
| 4597768 |
Method for treatment in counter current of suspended particles with a liquid |
Jul. 1, 1986 |
| 4588562 |
Apparatus for purifying crystals |
May. 13, 1986 |
| 4481169 |
Washing column |
Nov. 6, 1984 |
| 4400189 |
Pulsed crystallization column and method of countercurrent crystallization |
Aug. 23, 1983 |
| 4312846 |
Method of silicon purification |
Jan. 26, 1982 |
| 4309878 |
Process and apparatus for separating and purifying a crystalline material |
Jan. 12, 1982 |
| 4248601 |
Process for reducing the sodium chloride content of a potassium salt |
Feb. 3, 1981 |
| 4235796 |
Process for fractional crystallization of lipids |
Nov. 25, 1980 |
| 4221762 |
Apparatus for preparing carbides |
Sep. 9, 1980 |
| 3999950 |
Apparatus for crystal growth in outer space |
Dec. 28, 1976 |
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