CH567874A5 - - Google Patents
Info
- Publication number
- CH567874A5 CH567874A5 CH143573A CH143573A CH567874A5 CH 567874 A5 CH567874 A5 CH 567874A5 CH 143573 A CH143573 A CH 143573A CH 143573 A CH143573 A CH 143573A CH 567874 A5 CH567874 A5 CH 567874A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0005—Degasification of liquids with one or more auxiliary substances
-
- 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
-
- 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
- C10M2207/34—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
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene 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
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
-
- 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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/02—Esters of silicic 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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/04—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having a silicon-to-carbon bond, e.g. organo-silanes
-
- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/02—Unspecified siloxanes; Silicones
-
- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
-
- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/042—Siloxanes with specific structure containing aromatic substituents
-
- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/045—Siloxanes with specific structure containing silicon-to-hydroxyl bonds
-
- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/046—Siloxanes with specific structure containing silicon-oxygen-carbon bonds
-
- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/047—Siloxanes with specific structure containing alkylene oxide 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/048—Siloxanes with specific structure containing 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
-
- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
- C10M2229/051—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon containing halogen
-
- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
- C10M2229/052—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon containing nitrogen
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Silicon Polymers (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR727203486A FR2170827B1 (it) | 1972-02-02 | 1972-02-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH567874A5 true CH567874A5 (it) | 1975-10-15 |
Family
ID=9092874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH143573A CH567874A5 (it) | 1972-02-02 | 1973-02-01 |
Country Status (12)
Country | Link |
---|---|
US (1) | US3887487A (it) |
JP (1) | JPS5210430B2 (it) |
BE (1) | BE794875A (it) |
CA (1) | CA997247A (it) |
CH (1) | CH567874A5 (it) |
DE (1) | DE2305257C3 (it) |
ES (1) | ES411217A1 (it) |
FR (1) | FR2170827B1 (it) |
GB (1) | GB1426013A (it) |
IT (1) | IT972734B (it) |
NL (1) | NL149085B (it) |
SE (1) | SE376847B (it) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53135706A (en) * | 1977-04-30 | 1978-11-27 | Matsushita Refrigeration | Printing ink |
JPS5515220U (it) * | 1978-07-12 | 1980-01-31 | ||
US4332696A (en) * | 1980-05-27 | 1982-06-01 | Nalco Chemical Company | Fatty epoxide hydrophobized silica as antifoams in brownstock washing aids |
US4576999A (en) * | 1982-05-06 | 1986-03-18 | General Electric Company | Ultraviolet radiation-curable silicone release compositions with epoxy and/or acrylic functionality |
DE3218676C2 (de) * | 1982-05-18 | 1985-08-01 | Th. Goldschmidt Ag, 4300 Essen | Mittel zum Entlüften von Beschichtungssystemen |
US4514319A (en) * | 1983-03-25 | 1985-04-30 | Union Carbide Corporation | Antifoam composition containing hydrocarbon-silicon copolymer, hydrophobic filler and hydrocarbon oil |
US4557737A (en) * | 1983-04-05 | 1985-12-10 | The British Petroleum Company P.L.C | Oil gas separation |
DE3319788A1 (de) * | 1983-06-01 | 1984-12-06 | Th. Goldschmidt Ag, 4300 Essen | Mit organischen gruppen modifizierte kieselsaeure, deren herstellung und verwendung zur spaltung von emulsionen |
US4606866A (en) * | 1983-07-01 | 1986-08-19 | Baxter Travenol Laboratories, Inc. | Wettable devices operational with aqueous liquid and method therefor |
JPS60501772A (ja) * | 1983-07-01 | 1985-10-17 | バクスタ−、トラベノ−ル、ラボラトリ−ズ、インコ−ポレイテッド | 水性液と共に作動する濡れることができる器具 |
JPS61189286A (ja) * | 1985-02-15 | 1986-08-22 | Shin Etsu Chem Co Ltd | 有機けい素化合物 |
US4880444A (en) * | 1985-12-31 | 1989-11-14 | Mobil Oil Corporation | Method of improving performance of gas-liquid separators |
JPS63151128U (it) * | 1987-03-25 | 1988-10-04 | ||
JP2585339B2 (ja) * | 1988-01-29 | 1997-02-26 | 出光興産株式会社 | フロン雰囲気用潤滑油組成物 |
JPH0350003U (it) * | 1989-09-18 | 1991-05-15 | ||
DE69425473T3 (de) * | 1993-11-05 | 2005-11-03 | Shin-Etsu Chemical Co., Ltd. | Verfahren zur Herstellung von Organo-funktionelle Gruppen enthaltenden Organopolysiloxanen und daraus hergestellte Organopolysiloxane, Mercapto- und Alkoxygruppen enthaltende Organopolysiloxane und Verfahren zu deren Herstellung |
FI116542B (fi) * | 2004-07-16 | 2005-12-15 | Tekno Innovaatio Oy | Menetelmä ja järjestelmä nestekiertoverkoston ilmanpoistoon ja täyttöön |
JP6298975B2 (ja) * | 2014-07-08 | 2018-03-28 | サンノプコ株式会社 | 消泡剤 |
FR3100816B1 (fr) * | 2019-09-12 | 2022-02-18 | Total Marketing Services | Desaeration d’une composition lubrifiante |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2375007A (en) * | 1943-04-15 | 1945-05-01 | Shell Dev | Antifoaming composition |
US2702793A (en) * | 1950-06-13 | 1955-02-22 | Texas Co | Foam-inhibiting and foam-inhibited compositions |
US2730532A (en) * | 1953-07-20 | 1956-01-10 | Shell Dev | Epoxy-substituted esters of silicon acids and their preparation |
GB834326A (en) * | 1956-10-29 | 1960-05-04 | Midland Silicones Ltd | Organosilicon compounds |
BE626937A (it) * | 1962-01-13 | |||
US3532644A (en) * | 1967-07-24 | 1970-10-06 | Petrolite Corp | Ultra high molecular weight oxirane polymers by polymerization with organometallic catalysts modified by nitro compounds |
-
0
- BE BE794875D patent/BE794875A/xx not_active IP Right Cessation
-
1972
- 1972-02-02 FR FR727203486A patent/FR2170827B1/fr not_active Expired
- 1972-12-21 IT IT33371/72A patent/IT972734B/it active
-
1973
- 1973-01-25 NL NL737301099A patent/NL149085B/xx not_active IP Right Cessation
- 1973-01-31 US US328237A patent/US3887487A/en not_active Expired - Lifetime
- 1973-01-31 JP JP48012786A patent/JPS5210430B2/ja not_active Expired
- 1973-02-01 CH CH143573A patent/CH567874A5/xx not_active IP Right Cessation
- 1973-02-01 SE SE7301418A patent/SE376847B/xx unknown
- 1973-02-01 CA CA162,699A patent/CA997247A/fr not_active Expired
- 1973-02-01 GB GB517373A patent/GB1426013A/en not_active Expired
- 1973-02-02 ES ES411217A patent/ES411217A1/es not_active Expired
- 1973-02-02 DE DE2305257A patent/DE2305257C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1426013A (en) | 1976-02-25 |
DE2305257B2 (de) | 1977-12-29 |
DE2305257C3 (de) | 1978-09-14 |
NL7301099A (it) | 1973-08-06 |
IT972734B (it) | 1974-05-31 |
JPS4888082A (it) | 1973-11-19 |
BE794875A (fr) | 1973-08-01 |
US3887487A (en) | 1975-06-03 |
NL149085B (nl) | 1976-04-15 |
ES411217A1 (es) | 1975-12-01 |
FR2170827A1 (it) | 1973-09-21 |
SE376847B (it) | 1975-06-16 |
DE2305257A1 (de) | 1973-08-16 |
CA997247A (fr) | 1976-09-21 |
FR2170827B1 (it) | 1974-06-28 |
JPS5210430B2 (it) | 1977-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |