ES379867A1 - Procedimiento para la obtencion de un lubrificante. - Google Patents

Procedimiento para la obtencion de un lubrificante.

Info

Publication number: ES379867A1
Authority: ES; Spain
Prior art keywords: complex ester; atoms; ester lubricants; reesterification; trimethylhexandiol
Prior art date: 1969-05-21
Legal status (The legal status 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 status listed.): Expired

Application number

ES379867A

Other languages

English (en)

Spanish (es)

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Veba Oel AG

Original Assignee

Veba Oel AG

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.)

1969-05-21

Filing date

1970-05-20

Publication date

1972-09-16

1970-05-20 Application filed by Veba Oel AG filed Critical Veba Oel AG

1972-09-16 Publication of ES379867A1 publication Critical patent/ES379867A1/es

Status Expired legal-status Critical Current

Links

239000000314 lubricant Substances 0.000 title abstract 2
150000002148 esters Chemical class 0.000 title 1
125000004432 carbon atom Chemical group C* 0.000 abstract 2
150000001991 dicarboxylic acids Chemical class 0.000 abstract 2
150000002009 diols Chemical class 0.000 abstract 2
239000000203 mixture Substances 0.000 abstract 2
ICCGPSONZQYELI-UHFFFAOYSA-N 2,4,4-trimethylhexane-1,1-diol Chemical compound CCC(C)(C)CC(C)C(O)O ICCGPSONZQYELI-UHFFFAOYSA-N 0.000 abstract 1
239000003054 catalyst Substances 0.000 abstract 1
238000000034 method Methods 0.000 abstract 1
150000003138 primary alcohols Chemical class 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M1/00—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants
- C10M1/08—Liquid compositions essentially based on mineral lubricating oils or fatty oils; Their use as lubricants with additives
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D313/00—Heterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom
- C07D313/02—Seven-membered rings
- C07D313/04—Seven-membered rings not condensed with other rings
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/30—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids
- C10M2207/302—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids derived from the combination of monocarboxylic acids, dicarboxylic acids and dihydroxy compounds only and having no free hydroxy or carboxyl groups
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/30—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids
- C10M2207/304—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids derived from the combination of monohydroxy compounds, dihydroxy compounds and dicarboxylic acids only and having no free hydroxy or carboxyl groups
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/34—Esters having a hydrocarbon substituent of thirty or more carbon atoms, e.g. substituted succinic acid derivatives
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/08—Resistance to extreme temperature
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/02—Bearings
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/042—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for automatic transmissions
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/044—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for manual transmissions
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for traction drives
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/12—Gas-turbines
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/12—Gas-turbines
- C10N2040/13—Aircraft turbines
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/30—Refrigerators lubricants or compressors lubricants
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/32—Wires, ropes or cables lubricants
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/34—Lubricating-sealants
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/36—Release agents or mold release agents
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/38—Conveyors or chain belts
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/40—Generators or electric motors in oil or gas winning field
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/42—Flashing oils or marking oils
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/44—Super vacuum or supercritical use
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/50—Medical uses
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B1/00—Engines characterised by fuel-air mixture compression
- F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
- F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Oil, Petroleum & Natural Gas (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Lubricants (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Separation By Low-Temperature Treatments (AREA)

ES379867A 1969-05-21 1970-05-20 Procedimiento para la obtencion de un lubrificante. Expired ES379867A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE1925817A DE1925817C2 (de)	1969-05-21	1969-05-21	Vollsynthetisches Schmiermittel

Publications (1)

Publication Number	Publication Date
ES379867A1 true ES379867A1 (es)	1972-09-16

Family

ID=5734752

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES379867A Expired ES379867A1 (es)	1969-05-21	1970-05-20	Procedimiento para la obtencion de un lubrificante.

Country Status (12)

Country	Link
AT (1)	AT306209B (de)
BE (1)	BE750718A (de)
DE (1)	DE1925817C2 (de)
DK (1)	DK142994C (de)
ES (1)	ES379867A1 (de)
FI (1)	FI51489C (de)
FR (1)	FR2043591B1 (de)
GB (1)	GB1313924A (de)
LU (1)	LU60934A1 (de)
NL (1)	NL168496C (de)
NO (1)	NO124838B (de)
SE (1)	SE359855B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2224757B (en) *	1988-11-10	1992-08-12	Stc Plc	Cable anchorage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE933650C (de) *	1942-06-21	1955-09-29	Basf Ag	Schmiermittel
GB668796A (en) *	1950-01-03	1952-03-19	Standard Oil Dev Co	Improvements in or relating to lubricating compositions
NL86778C (de) *	1952-11-19
DE1252837B (de) *	1958-06-16	1967-10-26	Eastman Kodak Company, Rochester, N. Y. (V. St. A.)	Verwendung von Diestern gesättigter Dicarbonsäuren als Schmiermittel

1969
- 1969-05-21 DE DE1925817A patent/DE1925817C2/de not_active Expired
1970
- 1970-05-19 GB GB2419170A patent/GB1313924A/en not_active Expired
- 1970-05-19 LU LU60934A patent/LU60934A1/xx unknown
- 1970-05-19 AT AT444670A patent/AT306209B/de not_active IP Right Cessation
- 1970-05-20 FI FI701410A patent/FI51489C/fi active
- 1970-05-20 NO NO1929/70A patent/NO124838B/no unknown
- 1970-05-20 ES ES379867A patent/ES379867A1/es not_active Expired
- 1970-05-20 DK DK258070A patent/DK142994C/da not_active IP Right Cessation
- 1970-05-21 FR FR7018547A patent/FR2043591B1/fr not_active Expired
- 1970-05-21 NL NLAANVRAGE7007381,A patent/NL168496C/xx not_active IP Right Cessation
- 1970-05-21 SE SE07010/70A patent/SE359855B/xx unknown
- 1970-05-21 BE BE750718A patent/BE750718A/xx unknown

Also Published As

Publication number	Publication date
AT306209B (de)	1973-03-26
BE750718A (fr)	1970-11-03
DE1925817A1 (de)	1970-12-03
NL168496C (nl)	1982-04-16
DK142994C (da)	1981-10-19
NO124838B (de)	1972-06-12
FI51489B (de)	1976-09-30
DK142994B (da)	1981-03-09
FI51489C (fi)	1977-01-10
DE1925817C2 (de)	1983-10-27
SE359855B (de)	1973-09-10
FR2043591B1 (de)	1974-05-24
LU60934A1 (de)	1970-07-20
NL7007381A (de)	1970-11-24
NL168496B (nl)	1981-11-16
FR2043591A1 (de)	1971-02-19
GB1313924A (en)	1973-04-18

Publication	Publication Date	Title
ES398360A1 (es)	1974-09-16	Procedimiento para la obtencion de masas moldeables termo- plasticas de policarbonatos.
ES409694A2 (es)	1976-01-01	Procedimiento para la preparacion de ester dimetilico de acido teraftalico.
ES293498A1 (es)	1964-04-01	Un procedimiento para la fabricación de ésteres de ácido ascórbico
ES379867A1 (es)	1972-09-16	Procedimiento para la obtencion de un lubrificante.
ES436156A1 (es)	1977-02-16	Un procedimiento para la preparacion de esteres de acidos carboxilicos de alcohol perililico.
ES8102084A1 (es)	1980-12-16	Procedimiento para la preparacion de nuevas mezclas de este-res
GB1444977A (en)	1976-08-04	Lubricating composition
ES424022A1 (es)	1976-05-16	Procedimiento para la obtencion de esteres de acidos grasosfluidos, estables en frio.
ES291869A1 (es)	1963-11-16	Un procedimiento para la preparación de tereftalato de polietileno
GB882558A (en)	1961-11-15	Improvements in or relating to the production of fats
ES396261A1 (es)	1974-04-16	Procedimiento para la preparacion de 2-metilenpropandiol- (1,3).
ES444541A1 (es)	1977-05-16	Procedimiento para la preparacion de esteres de acido 1,4- naftalendicarboxilico.
ES286221A1 (es)	1963-10-16	Procedimiento para la obtencion de ésteres de acido tereftalico
GB1121543A (en)	1968-07-31	Improvements in or relating to lubricants and industrial oils
ES357666A3 (es)	1970-04-01	Un procedimiento para la preparacion esteres de acidos suc-cinicos sustituidos.
ES226574A1 (es)	1956-04-01	UN PROCEDIMIENTO PARA LA FABRICACIoN DE ÉSTERES
ES412804A1 (es)	1976-01-01	Procedimiento de obtencion de esteres de acidos grasos por transesterificacion con alcoholes termicamente labiles.
ES393586A1 (es)	1973-11-01	Procedimiento para la obtencion de poliesteres aromaticos lineales de cadena corta.
ES325416A1 (es)	1967-05-01	Procedimiento para la obtencion de tabletas estables que contienen vitamina c.
ES263631A1 (es)	1961-06-16	Un procedimiento de preparación de compuestos de la 19-nortesttosterona
ES358344A1 (es)	1970-06-01	Un procedimiento de obtencion de esteres del cloranfenicol.
ES202377A1 (es)	1954-02-16	Procedimiento para la preparación de soluciones medicamentosas
ES208865A2 (es)	1953-08-01	UN PROCEDIMIENTO PARA LA POLICONDENSACIoN DE DIOLÉSTERES DE áCIDOS DICARBOXiLICOS AROMáTICOS, PARTICULARMENTE LOS DEL áCIDO TEREFTáLICO
ES393423A1 (es)	1974-10-01	Un metodo para preparar ester heptilico de omega-homo pros-taglandina e1.
ES388094A1 (es)	1974-02-16	Un procedimiento para la preparacion de acido 2-furfurila- mino-4-cloro-5-sulfamoil-benzoico.