NO128116B - - Google Patents
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- Publication number
- NO128116B NO128116B NO04214/68A NO421468A NO128116B NO 128116 B NO128116 B NO 128116B NO 04214/68 A NO04214/68 A NO 04214/68A NO 421468 A NO421468 A NO 421468A NO 128116 B NO128116 B NO 128116B
- Authority
- NO
- Norway
- Prior art keywords
- arginine
- salt
- glutamate
- glutamic acid
- water
- Prior art date
Links
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 claims description 14
- 150000003839 salts Chemical class 0.000 claims description 10
- ODKSFYDXXFIFQN-BYPYZUCNSA-N L-arginine Chemical compound OC(=O)[C@@H](N)CCCN=C(N)N ODKSFYDXXFIFQN-BYPYZUCNSA-N 0.000 claims description 7
- 229930064664 L-arginine Natural products 0.000 claims description 7
- 235000014852 L-arginine Nutrition 0.000 claims description 7
- 229960002989 glutamic acid Drugs 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- RVEWUBJVAHOGKA-WOYAITHZSA-N Arginine glutamate Chemical compound OC(=O)[C@@H](N)CCC(O)=O.OC(=O)[C@@H](N)CCCNC(N)=N RVEWUBJVAHOGKA-WOYAITHZSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PXEDJBXQKAGXNJ-QTNFYWBSSA-L disodium L-glutamate Chemical compound [Na+].[Na+].[O-]C(=O)[C@@H](N)CCC([O-])=O PXEDJBXQKAGXNJ-QTNFYWBSSA-L 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012456 homogeneous solution Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
Classifications
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- 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
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/38—Esters of polyhydroxy compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0239—Lubricating
- B21B45/0242—Lubricants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C9/00—Cooling, heating or lubricating drawing material
- B21C9/02—Selection of compositions therefor
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/74—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing phosphorus
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
- C10M107/30—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/003—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fatty acids with alcohols
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- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
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- C11C—FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11C3/00—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom
- C11C3/04—Fats, oils, or fatty acids by chemical modification of fats, oils, or fatty acids obtained therefrom by esterification of fats or fatty oils
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- C10M2201/061—Carbides; Hydrides; Nitrides
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- C10M2201/103—Clays; Mica; Zeolites
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- C10M2201/10—Compounds containing silicon
- C10M2201/105—Silica
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/16—Carbon dioxide
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- C10M2201/18—Ammonia
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- C10M2207/287—Partial esters
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- 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
- C10N2040/20—Metal working
- C10N2040/244—Metal working of specific metals
- C10N2040/246—Iron or steel
-
- 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
- C10N2040/20—Metal working
- C10N2040/244—Metal working of specific metals
- C10N2040/247—Stainless steel
-
- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/01—Emulsions, colloids, or micelles
Description
Fremgangsmåte for fremstilling av L-arginin-L-glutamat.
Foreliggende oppfinnelse angår en
fremgangsmåte for fremstilling av et nytt
og nyttig salt, L-arginin-L-glutamat. Dette
salt kan særlig brukes for natrium-fri be-handling av næringsmidler, særlig kjøtt.
I henhold til oppfinnelsen kan saltet
fremstilles ved å blande L-arginin med L-glutaminsyre i vann og krystallisere det
resulterende salt fra vannet ved til vannet
å sette et polert organisk oppløsningsmid-del som lar seg blande med vann.
Eksempelvis ble 17,2 g L-arginin og
14,5 g L-glutaminsyre oppløst i 155 g vann.
Derved fremkom en klar homogen oppløs-ning med en pH-verdi på 5,3. Denne opp-løsning ble filtrert og filtratet inndampet ved 50° C ved nedsatt trykk til en oppløs-ning med et innhold av fast stoff på ca.
45 pst. Absolutt alkohol (220 g) ble satt
til den konsentrerte saltoppløsning, og
denne blanding ble avkjølt til 5° C i en
time. Det resulterende faste salt ble fjer-net fra blandingen ved filtrering og vasket
med abs. metanol. Etter innledende tørking
i luften, ble saltet tørket videre i en va-kuumovn ved 60° C i 3 timer. Det resulterende salt, L-arginin-L-glutamat veide 30
g, dvs. 94,6 pst. av det teoretisk mulige ut-
bytte, basert på mengden av L-arginin og L-glutaminsyre som ble brukt, og smeltet ved 193—194,5° C under spalting.
Det infrarøde spektrum for L-arginin-L-glutamat ble studert i sammenligning med spektrene for L-arginin, L-glutaminsyre, en blanding 1 : 1 av L-arginin og L-glutaminsyre og natrium-L-glutamat. Spektret for L-arginin-L-glutamat-salt av-vek atskillig fra spektrene for L-arginin, L-glutaminsyre og blandingen av de to. Den mest betydningsfulle forskjell var til-stedeværelsen av et sterkt bånd ved 6,3 mikron for saltet, mens de fri forbindelser og blandingen ikke hadde dette bånd. I spektret for saltet, natrium-L-glutamat, var det et lignende bånd ved 6,4 mikron.
Claims (1)
- Fremgangsmåte for fremstilling av L-arginin-L-glutamat, karakterisert ved at L-arginin og L-glutaminsyre blir oppløst i vann, og det resulterende salt krystallisert og skilt fra vannet.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73457268A | 1968-06-05 | 1968-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO128116B true NO128116B (no) | 1973-10-01 |
Family
ID=24952227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO04214/68A NO128116B (no) | 1968-06-05 | 1968-10-24 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3526596A (no) |
| JP (1) | JPS4834658B1 (no) |
| BE (1) | BE722611A (no) |
| BR (1) | BR6803399D0 (no) |
| DE (1) | DE1794240C3 (no) |
| ES (1) | ES358518A1 (no) |
| FR (1) | FR1587161A (no) |
| GB (1) | GB1244014A (no) |
| LU (1) | LU57130A1 (no) |
| NL (1) | NL6814903A (no) |
| NO (1) | NO128116B (no) |
| SE (1) | SE350275B (no) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2043885C3 (de) * | 1970-06-18 | 1979-04-12 | R.W. Moll & Co Chemische Fabrik, 4330 Muelheim | Schmiermittel für die spanende und spanlose Bearbeitung von Metallwerkstoffen |
| US4113635A (en) * | 1971-12-13 | 1978-09-12 | Nippon Steel Corporation | Rust-proof lubricant compositions |
| US3890358A (en) * | 1972-05-08 | 1975-06-17 | Emery Industries Inc | Polyglycerol partial esters and their use in lipstick formulations |
| US4031019A (en) * | 1972-06-29 | 1977-06-21 | The United States Of America As Represented By The Secretary Of Agriculture | Alcohol esters of fatty acids as useful metalworking lubricants |
| US3983044A (en) * | 1974-04-01 | 1976-09-28 | Sun Oil Company Of Pennsylvania | Low smoking lubricating composition for cold heading operations |
| US4178260A (en) * | 1974-10-31 | 1979-12-11 | Exxon Research & Engineering Co. | Ester based metal working lubricants |
| US4043925A (en) * | 1974-12-13 | 1977-08-23 | Suntech, Inc. | Low smoking composition and method for cold heading operations |
| US4321308A (en) * | 1975-02-07 | 1982-03-23 | The Lubrizol Corporation | Metal workpieces coated with ester-based hot melt metal working lubricants |
| US3995465A (en) * | 1975-03-21 | 1976-12-07 | Sun Oil Company Of Pennsylvania | Method of coldworking metal pieces |
| US4069162A (en) * | 1975-11-03 | 1978-01-17 | Exxon Research & Engineering Co. | Haze free oil additive compositions containing polymeric viscosity index improver and process for producing said compositions |
| US4116872A (en) * | 1977-02-08 | 1978-09-26 | The Lubrizol Corporation | Hot melt metal working lubricants |
| US4113642A (en) * | 1976-11-11 | 1978-09-12 | Henkel Kommanditgesellschaft Auf Aktien | High viscosity neutral polyester lubricants |
| JPS53136170A (en) * | 1977-05-02 | 1978-11-28 | Asahi Denka Kogyo Kk | Synthetic ester family working oil composite |
| US4152278A (en) * | 1978-05-19 | 1979-05-01 | The United States Of America As Represented By The Secretary Of Agriculture | Wax esters of vegetable oil fatty acids useful as lubricants |
| US4184889A (en) * | 1978-05-25 | 1980-01-22 | Gehrke George E | Fly, line and leader sinker composition |
| US4172802A (en) * | 1978-05-30 | 1979-10-30 | Cincinnati Milacron Inc. | Aqueous metal working fluid containing carboxylic acid group terminated diesters of polyoxyalkylene diols |
| US4250046A (en) * | 1979-03-05 | 1981-02-10 | Pennwalt Corporation | Diethanol disulfide as an extreme pressure and anti-wear additive in water soluble metalworking fluids |
| DE2909517A1 (de) * | 1979-03-10 | 1980-09-18 | Bayer Ag | Metallbearbeitungs-schmieroele |
| US4256594A (en) * | 1979-05-04 | 1981-03-17 | The Lubrizol Corporation | Hot melt metal working lubricants containing phosphorus-containing compositions |
| US4358509A (en) * | 1979-05-04 | 1982-11-09 | The Lubrizol Corporation | Novel metal working additive compositions, lubricants containing them and metal workpieces coated with same |
| US4346148A (en) * | 1979-05-04 | 1982-08-24 | The Lubrizol Corporation | Phosphorus-containing compositions, lubricants containing them and metal workpieces coated with same |
| US4335004A (en) * | 1980-01-11 | 1982-06-15 | Phillips Petroleum Company | Lubricating compositions containing diesters of dimercapto ethers |
| US4362634A (en) * | 1980-03-19 | 1982-12-07 | Stauffer Chemical Company | Metal working lubricant and lubricant emulsion |
| JPS57500787A (no) * | 1980-05-14 | 1982-05-06 | ||
| DE3247426A1 (de) * | 1982-12-22 | 1984-06-28 | Merck Patent Gmbh, 6100 Darmstadt | Schneidoel fuer die spangebende bearbeitung von buntmetallen |
| GB8530146D0 (en) * | 1985-12-06 | 1986-01-15 | Alcan Int Ltd | Lubricating composition |
| ZA873747B (en) * | 1986-05-30 | 1987-11-23 | Alcan International Limited | Prelubricated finstock |
| US4673516A (en) * | 1986-09-02 | 1987-06-16 | Integral Corporation | Aqueous hydrogel lubricant |
| US5279677A (en) * | 1991-06-17 | 1994-01-18 | Coral International, Inc. | Rinse aid for metal surfaces |
| US5334322A (en) * | 1992-09-30 | 1994-08-02 | Ppg Industries, Inc. | Water dilutable chain belt lubricant for pressurizable thermoplastic containers |
| US5318711A (en) * | 1993-01-21 | 1994-06-07 | Quaker Chemical Corporation | Method for lubricating metal-metal contact systems in metalworking operations with cyclohexyl esters |
| EP0845548B1 (en) | 1996-10-15 | 2001-05-16 | N.V. Bekaert S.A. | Steel cord treated with a corrosion inhibiting composition |
| US6068918A (en) * | 1996-10-15 | 2000-05-30 | N.V. Bekhaert S.A. | Steel cord treated with a corrosion inhibiting composition |
| US7008909B2 (en) * | 2002-10-11 | 2006-03-07 | Inolex Investment Corporation | Alpha branched esters for use in metalworking fluids and metalworking fluids containing such esters |
| FR2852550B1 (fr) * | 2003-03-21 | 2005-06-17 | Chryso Sas | Procede de demoulage |
| RU2451059C2 (ru) * | 2006-11-10 | 2012-05-20 | Квакер Кемикал (Холланд) Б.В. | Композиция смазочного материала для металлообработки |
| CN108431191B (zh) | 2015-12-21 | 2022-12-09 | 汉高股份有限及两合公司 | 金属加工液 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA739998A (en) * | 1966-08-02 | A. Kearney John | Lubricant composition | |
| GB718362A (en) * | 1950-03-31 | 1954-11-10 | Pyrene Co Ltd | The production of phosphate coatings on metal |
| BE503494A (no) * | 1950-05-24 | |||
| US2632734A (en) * | 1950-06-24 | 1953-03-24 | Standard Oil Dev Co | Emulsifiable metal-working lubricant |
| BE512934A (no) * | 1951-07-18 | |||
| US2744871A (en) * | 1953-05-12 | 1956-05-08 | Shell Dev | Lubricating composition |
| US2755250A (en) * | 1955-03-28 | 1956-07-17 | Shell Dev | Extreme pressure lubricant |
| DE947419C (de) * | 1955-05-05 | 1956-08-16 | Huels Chemische Werke Ag | Metallbearbeitungsfluessigkeiten aus natuerlichen oder synthetischen Schmieroelen |
| US2808421A (en) * | 1955-12-13 | 1957-10-01 | Eastman Kodak Co | Method for preparing mixed triglyceride compositions |
| DE1075256B (de) * | 1956-03-23 | 1960-02-11 | Farbenfabriken Bayer Aktiengesellschaft, Leverkusen-Bayerwerk | Mctallbearbeitungsmittel |
| DE1103498B (de) * | 1956-05-23 | 1961-03-30 | Metallgesellschaft Ag | Schmiermittel zur Herstellung von metallisch blanken Rohren aus Eisenwerkstoffen, insbesondere Stahl, durch spanlose Kaltverformung von Rohrluppen oder vorgezogenen Rohren |
| BE560554A (no) * | 1956-09-07 | |||
| DE1043561B (de) * | 1956-11-16 | 1958-11-13 | Stockhausen & Cie Chem Fab | Waessrige Loesungen oder Emulsionen zur spanlosen Kaltverformung von Metallen |
| DE1052042B (de) * | 1957-01-10 | 1959-03-05 | Esso A G | Ziehschmiermittel |
| DE1053701B (de) * | 1957-12-04 | 1959-03-26 | Holifa Froehling & Co | Waessrige Kaltwalzemulsion auf Fettbasis fuer die Metallbearbeitung |
| BE576233A (no) * | 1958-02-28 | |||
| AT215580B (de) * | 1958-11-27 | 1961-06-12 | Shell Res Ltd | Schmiermittel für das Walzen von Metall |
| NL245734A (no) * | 1958-11-27 | |||
| GB846839A (en) * | 1959-01-30 | 1960-08-31 | Shell Res Ltd | Method and lubricating composition for metal rolling, cutting and drilling |
| US3048608A (en) * | 1959-03-18 | 1962-08-07 | Heyden Newport Chemical Corp | Neopentyl glycol esters |
| US3029204A (en) * | 1959-05-12 | 1962-04-10 | Exxon Research Engineering Co | Acidic partial esters as lubricating oil additives |
| BE591045A (no) * | 1959-05-22 | |||
| DE1158696B (de) * | 1960-08-22 | 1963-12-05 | Huels Chemische Werke Ag | Mineraloelfreie Schmiermittel fuer die spanlose oder spangebende Verformung von Kunststoffen |
| BE610700A (no) * | 1960-11-23 | |||
| US3349593A (en) * | 1962-05-11 | 1967-10-31 | Smith Corp A O | Hot metal extrusion method |
| US3256211A (en) * | 1963-06-05 | 1966-06-14 | Union Carbide Corp | Interpolymer of ethylene oxide and at least one different 1, 2-alkylene oxide |
| US3282971A (en) * | 1963-06-19 | 1966-11-01 | Exxon Research Engineering Co | Fatty acid esters of polyhydric alcohols |
| DE1517002A1 (de) * | 1963-07-29 | 1969-04-10 | Witten Gmbh Chem Werke | Verwendung von fluessigen Estergemischen |
| US3310489A (en) * | 1964-03-20 | 1967-03-21 | Mobil Oil Corp | Lubricant composition |
-
1968
- 1968-06-05 US US734572A patent/US3526596A/en not_active Expired - Lifetime
- 1968-09-25 ES ES358518A patent/ES358518A1/es not_active Expired
- 1968-09-27 DE DE1794240A patent/DE1794240C3/de not_active Expired
- 1968-10-02 GB GB46866/68A patent/GB1244014A/en not_active Expired
- 1968-10-17 NL NL6814903A patent/NL6814903A/xx unknown
- 1968-10-21 LU LU57130A patent/LU57130A1/xx unknown
- 1968-10-21 FR FR170670A patent/FR1587161A/fr not_active Expired
- 1968-10-21 BE BE722611A patent/BE722611A/xx not_active IP Right Cessation
- 1968-10-21 SE SE14162/68A patent/SE350275B/xx unknown
- 1968-10-24 JP JP43077079A patent/JPS4834658B1/ja active Pending
- 1968-10-24 BR BR203399/68A patent/BR6803399D0/pt unknown
- 1968-10-24 NO NO04214/68A patent/NO128116B/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1587161A (no) | 1970-03-13 |
| DE1794240B2 (de) | 1976-12-09 |
| US3526596A (en) | 1970-09-01 |
| ES358518A1 (es) | 1970-05-16 |
| NL6814903A (no) | 1969-12-09 |
| DE1794240A1 (de) | 1971-10-14 |
| GB1244014A (en) | 1971-08-25 |
| BE722611A (no) | 1969-04-21 |
| LU57130A1 (no) | 1969-07-15 |
| BR6803399D0 (pt) | 1973-04-10 |
| JPS4834658B1 (no) | 1973-10-23 |
| SE350275B (no) | 1972-10-23 |
| DE1794240C3 (de) | 1982-09-02 |
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