NO123947B - - Google Patents

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Info

Publication number: NO123947B
Authority: NO; Norway
Prior art keywords: liquid; gas; line; reaction; reactor
Prior art date: 1967-02-16

Application number

NO170354A

Other languages

English (en)

Norwegian (no)

Inventor

H Ishikawa

M Inoue

T Shimamoto

M Ishikawa

Original Assignee

H Ishikawa

Inoue Michiro

Shimamoto Takio

M Ishikawa

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1967-02-16

Filing date

1967-10-31

Publication date

1972-02-07

1967-10-31 Application filed by H Ishikawa, Inoue Michiro, Shimamoto Takio, M Ishikawa filed Critical H Ishikawa

1972-02-07 Publication of NO123947B publication Critical patent/NO123947B/no

Links

239000007789 gas Substances 0.000 claims description 46
239000007788 liquid Substances 0.000 claims description 45
238000006243 chemical reaction Methods 0.000 claims description 29
238000004945 emulsification Methods 0.000 claims description 10
238000000034 method Methods 0.000 claims description 7
238000004821 distillation Methods 0.000 claims description 6
239000012071 phase Substances 0.000 claims description 3
230000001939 inductive effect Effects 0.000 claims description 2
239000007791 liquid phase Substances 0.000 claims description 2
239000000047 product Substances 0.000 description 21
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 18
239000000203 mixture Substances 0.000 description 17
LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 14
MLUCVPSAIODCQM-NSCUHMNNSA-N crotonaldehyde Chemical compound C\C=C\C=O MLUCVPSAIODCQM-NSCUHMNNSA-N 0.000 description 14
MLUCVPSAIODCQM-UHFFFAOYSA-N crotonaldehyde Natural products CC=CC=O MLUCVPSAIODCQM-UHFFFAOYSA-N 0.000 description 14
IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 12
239000003054 catalyst Substances 0.000 description 9
WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 8
HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 8
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 7
238000007872 degassing Methods 0.000 description 7
KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 6
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
238000006703 hydration reaction Methods 0.000 description 6
239000000126 substance Substances 0.000 description 6
238000005984 hydrogenation reaction Methods 0.000 description 5
QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 5
125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 5
ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 4
230000000694 effects Effects 0.000 description 4
238000010438 heat treatment Methods 0.000 description 4
230000036571 hydration Effects 0.000 description 4
230000003647 oxidation Effects 0.000 description 4
238000007254 oxidation reaction Methods 0.000 description 4
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
239000000839 emulsion Substances 0.000 description 3
238000010926 purge Methods 0.000 description 3
239000000243 solution Substances 0.000 description 3
239000000725 suspension Substances 0.000 description 3
NMRPBPVERJPACX-UHFFFAOYSA-N (3S)-octan-3-ol Natural products CCCCCC(O)CC NMRPBPVERJPACX-UHFFFAOYSA-N 0.000 description 2
OZXIZRZFGJZWBF-UHFFFAOYSA-N 1,3,5-trimethyl-2-(2,4,6-trimethylphenoxy)benzene Chemical compound CC1=CC(C)=CC(C)=C1OC1=C(C)C=C(C)C=C1C OZXIZRZFGJZWBF-UHFFFAOYSA-N 0.000 description 2
YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 2
MBLXROIYHWIVRL-UHFFFAOYSA-N 3-methylideneheptan-4-one Chemical compound CCCC(=O)C(=C)CC MBLXROIYHWIVRL-UHFFFAOYSA-N 0.000 description 2
NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 2
UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
238000009835 boiling Methods 0.000 description 2
XUPYJHCZDLZNFP-UHFFFAOYSA-N butyl butanoate Chemical compound CCCCOC(=O)CCC XUPYJHCZDLZNFP-UHFFFAOYSA-N 0.000 description 2
238000001816 cooling Methods 0.000 description 2
238000010908 decantation Methods 0.000 description 2
239000003085 diluting agent Substances 0.000 description 2
239000006185 dispersion Substances 0.000 description 2
238000000605 extraction Methods 0.000 description 2
239000012535 impurity Substances 0.000 description 2
SHOJXDKTYKFBRD-UHFFFAOYSA-N mesityl oxide Natural products CC(C)=CC(C)=O SHOJXDKTYKFBRD-UHFFFAOYSA-N 0.000 description 2
WVYWICLMDOOCFB-UHFFFAOYSA-N 4-methyl-2-pentanol Chemical compound CC(C)CC(C)O WVYWICLMDOOCFB-UHFFFAOYSA-N 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
239000005909 Kieselgur Substances 0.000 description 1
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
239000002253 acid Substances 0.000 description 1
239000004480 active ingredient Substances 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
150000008064 anhydrides Chemical class 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
230000001174 ascending effect Effects 0.000 description 1
229940050390 benzoate Drugs 0.000 description 1
WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
239000012267 brine Substances 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
239000000356 contaminant Substances 0.000 description 1
238000011109 contamination Methods 0.000 description 1
239000000110 cooling liquid Substances 0.000 description 1
LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 description 1
230000001804 emulsifying effect Effects 0.000 description 1
150000002148 esters Chemical class 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
238000011010 flushing procedure Methods 0.000 description 1
239000013505 freshwater Substances 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000003701 inert diluent Substances 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
XIKYYQJBTPYKSG-UHFFFAOYSA-N nickel Chemical compound [Ni].[Ni] XIKYYQJBTPYKSG-UHFFFAOYSA-N 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
239000000546 pharmaceutical excipient Substances 0.000 description 1
XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
239000007858 starting material Substances 0.000 description 1
LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
230000009466 transformation Effects 0.000 description 1
238000005406 washing Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/81—Amides; Imides
- C07D213/82—Amides; Imides in position 3
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/24—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/44—Radicals substituted by doubly-bound oxygen, sulfur, or nitrogen atoms, or by two such atoms singly-bound to the same carbon atom
- C07D213/46—Oxygen atoms
- C07D213/50—Ketonic radicals
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
- C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
- C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D213/60—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/79—Acids; Esters
- C07D213/80—Acids; Esters in position 3
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
- B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Pyridine Compounds (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

NO170354A 1967-02-16 1967-10-31 NO123947B (xx)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP953367		1967-02-16
JP2402867		1967-04-17

Publications (1)

Publication Number	Publication Date
NO123947B true NO123947B (xx)	1972-02-07

Family

ID=26344276

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO170354A NO123947B (xx)	1967-02-16	1967-10-31

Country Status (16)

Country	Link
US (1)	US3501485A (xx)
AT (1)	AT277281B (xx)
BE (1)	BE701574A (xx)
BR (1)	BR6791332D0 (xx)
CH (2)	CH509314A (xx)
DE (1)	DE1695757B2 (xx)
DK (1)	DK122076B (xx)
ES (1)	ES350512A1 (xx)
FR (1)	FR7332M (xx)
GB (1)	GB1200199A (xx)
IE (1)	IE31945B1 (xx)
IL (1)	IL29378A (xx)
LU (1)	LU54788A1 (xx)
NL (1)	NL6709757A (xx)
NO (1)	NO123947B (xx)
SE (1)	SE329615B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4046899A (en) *	1976-06-01	1977-09-06	Internx Research Corporation	Labile quaternary ammonium salts useful in binding bile acids in warm-blooded animals
DK1302461T3 (da) *	2000-05-31	2008-01-28	Santen Pharmaceutical Co Ltd	TNF-alfa-produktionsinhibitorer

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1445675C3 (de) *	1964-08-29	1974-02-28	Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt	Pyridylharnstoffe und Verfahren zu ihrer Herstellung

1967
- 1967-07-11 CH CH353170A patent/CH509314A/de not_active IP Right Cessation
- 1967-07-11 CH CH987867A patent/CH500979A/de not_active IP Right Cessation
- 1967-07-12 DK DK360967AA patent/DK122076B/da unknown
- 1967-07-13 NL NL6709757A patent/NL6709757A/xx unknown
- 1967-07-18 BR BR191332/67A patent/BR6791332D0/pt unknown
- 1967-07-19 AT AT10735/68A patent/AT277281B/de active
- 1967-07-19 BE BE701574D patent/BE701574A/xx not_active IP Right Cessation
- 1967-07-25 SE SE10827/67*A patent/SE329615B/xx unknown
- 1967-08-01 DE DE1967S0111140 patent/DE1695757B2/de active Granted
- 1967-10-26 GB GB48795/67A patent/GB1200199A/en not_active Expired
- 1967-10-31 NO NO170354A patent/NO123947B/no unknown
- 1967-11-03 LU LU54788D patent/LU54788A1/xx unknown
- 1967-12-07 FR FR131342A patent/FR7332M/fr not_active Expired
1968
- 1968-01-26 IE IE112/68A patent/IE31945B1/xx unknown
- 1968-01-28 IL IL29378A patent/IL29378A/xx unknown
- 1968-02-06 US US703259A patent/US3501485A/en not_active Expired - Lifetime
- 1968-02-15 ES ES350512A patent/ES350512A1/es not_active Expired

Also Published As

Publication number	Publication date
DE1695757B2 (de)	1977-04-07
GB1200199A (en)	1970-07-29
IL29378A (en)	1973-03-30
CH509314A (de)	1971-06-30
NL6709757A (xx)	1968-08-19
DK122076B (da)	1972-01-17
ES350512A1 (es)	1969-11-16
IE31945B1 (en)	1973-02-21
US3501485A (en)	1970-03-17
FR7332M (xx)	1969-10-13
LU54788A1 (xx)	1968-03-20
SE329615B (xx)	1970-10-19
BR6791332D0 (pt)	1973-07-10
BE701574A (xx)	1968-01-02
AT277281B (de)	1969-12-29
IE31945L (en)	1968-08-16
DE1695757A1 (de)	1971-04-29
CH500979A (de)	1970-12-31

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US4169856A (en)	1979-10-02	Process for the preparation and the recovery of ethanolamines
NO132233B (xx)	1975-06-30
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US2049441A (en)	1936-08-04	Process of operation for azeotropic distillation
US1988481A (en)	1935-01-22	Preparation of ketones
US2176500A (en)	1939-10-17	Process of concentrating aqueous aliphatic acid solutions by means of seven carbon atom aliphatic esters and five carbon atom aliphatic alcohol entrainers
US4009186A (en)	1977-02-22	Process for the preparation of maleic anhydride from maleic acid in the presence of sulfolane
CS249509B2 (en)	1987-03-12	Equipment for glycol's aqueous solution concentration by means of evaporation
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US3661972A (en)	1972-05-09	Purification of high boiling esters
US2579021A (en)	1951-12-18	Production of chlorinated acetalde-hydes and their acetal derivatives
US1931687A (en)	1933-10-24	Manufacture of aliphatic
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US6518461B2 (en)	2003-02-11	Method of continuously producing a cyclododecanone compound