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Y10S159/34
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GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10
USPC classification
Y10S
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S159/00
Concentrating evaporators
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Y10S159/34
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Patents Grants
last 30 patents
Information
Patent Grant
Process for spray-drying materials and mixtures thereof using super...
Patent number
5,431,780
Issue date
Jul 11, 1995
Henkel Kommanditgesellschaft auf Aktien
Wilfried Raehse
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for the recovery of heat and chemicals from spent liquor
Patent number
5,230,773
Issue date
Jul 27, 1993
Oy Tampella AB
Pertti Petanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
System for concentrating a spent caustic stream
Patent number
5,209,828
Issue date
May 11, 1993
Mobil Oil Corporation
Tai-Sheng Chou
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for preparing high-concentration alkali
Patent number
4,927,494
Issue date
May 22, 1990
Sulzer-Escher Wyss AG
Robert Winkler
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method and apparatus for preparing high-concentration alkali
Patent number
4,830,707
Issue date
May 16, 1989
Sulzer-Escher Wyss AG
Robert Winkler
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Automatic control of a multiple-effect evaporator
Patent number
4,676,870
Issue date
Jun 30, 1987
Phillips Petroleum Company
William S. Stewart
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Suppression of corrosion in caustic manufacturing systems
Patent number
4,585,579
Issue date
Apr 29, 1986
Occidental Chemical Corporation
Tilak V. Bommaraju
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cooling aqueous alkali metal hydroxide liquors by vacuum evaporatio...
Patent number
3,963,424
Issue date
Jun 15, 1976
Whiting Corporation
Frank Bella
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3872910
Patent number
3,872,910
Issue date
Mar 25, 1975
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3738411
Patent number
3,738,411
Issue date
Jun 12, 1973
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3674442
Patent number
3,674,442
Issue date
Jul 4, 1972
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3630262
Patent number
3,630,262
Issue date
Dec 28, 1971
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3380806
Patent number
3,380,806
Issue date
Apr 30, 1968
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3362457
Patent number
3,362,457
Issue date
Jan 9, 1968
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
3349546
Patent number
3,349,546
Issue date
Oct 31, 1967
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3332470
Patent number
3,332,470
Issue date
Jul 25, 1967
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3298797
Patent number
3,298,797
Issue date
Jan 17, 1967
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3273630
Patent number
3,273,630
Issue date
Sep 20, 1966
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3255036
Patent number
3,255,036
Issue date
Jun 7, 1966
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
3247888
Patent number
3,247,888
Issue date
Apr 26, 1966
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
3228754
Patent number
3,228,754
Issue date
Jan 11, 1966
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
3216796
Patent number
3,216,796
Issue date
Nov 9, 1965
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3154456
Patent number
3,154,456
Issue date
Oct 27, 1964
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
3152005
Patent number
3,152,005
Issue date
Oct 6, 1964
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
3131110
Patent number
3,131,110
Issue date
Apr 28, 1964
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
2965445
Patent number
2,965,445
Issue date
Dec 20, 1960
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
2942657
Patent number
2,942,657
Issue date
Jun 28, 1960
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
2924274
Patent number
2,924,274
Issue date
Feb 9, 1960
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
2873799
Patent number
2,873,799
Issue date
Feb 17, 1959
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
2806766
Patent number
2,806,766
Issue date
Sep 17, 1957
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents