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Y10S159/18
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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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Y10S159/18
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-stage condensation process
Patent number
4,640,743
Issue date
Feb 3, 1987
Shell Oil Company
Robert P. Bannon
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Monomer and diluent recovery
Patent number
4,589,957
Issue date
May 20, 1986
Phillips Petroleum Company
Fred T. Sherk
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3860494
Patent number
3,860,494
Issue date
Jan 14, 1975
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
3411571
Patent number
3,411,571
Issue date
Nov 19, 1968
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
3356124
Patent number
3,356,124
Issue date
Dec 5, 1967
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
3290153
Patent number
3,290,153
Issue date
Dec 6, 1966
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
3286763
Patent number
3,286,763
Issue date
Nov 22, 1966
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3242969
Patent number
3,242,969
Issue date
Mar 29, 1966
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
3190343
Patent number
3,190,343
Issue date
Jun 22, 1965
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
3183145
Patent number
3,183,145
Issue date
May 11, 1965
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
3105748
Patent number
3,105,748
Issue date
Oct 1, 1963
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
3094571
Patent number
3,094,571
Issue date
Jun 18, 1963
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2996365
Patent number
2,996,365
Issue date
Aug 15, 1961
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
2994643
Patent number
2,994,643
Issue date
Aug 1, 1961
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
2895909
Patent number
2,895,909
Issue date
Jul 21, 1959
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
2856506
Patent number
2,856,506
Issue date
Oct 14, 1958
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
2839122
Patent number
2,839,122
Issue date
Jun 17, 1958
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
2808494
Patent number
2,808,494
Issue date
Oct 1, 1957
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
2770295
Patent number
2,770,295
Issue date
Nov 13, 1956
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
2769773
Patent number
2,769,773
Issue date
Nov 6, 1956
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
2677664
Patent number
2,677,664
Issue date
May 4, 1954
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
1997980
Patent number
1,997,980
Issue date
Apr 16, 1935
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
1771810
Patent number
1,771,810
Issue date
Jul 29, 1930
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents