ES465690A1 - Un metodo para producir clinkeres de cemento - Google Patents
Un metodo para producir clinkeres de cementoInfo
- Publication number
- ES465690A1 ES465690A1 ES465690A ES465690A ES465690A1 ES 465690 A1 ES465690 A1 ES 465690A1 ES 465690 A ES465690 A ES 465690A ES 465690 A ES465690 A ES 465690A ES 465690 A1 ES465690 A1 ES 465690A1
- Authority
- ES
- Spain
- Prior art keywords
- blistered
- making
- glass material
- crystallizable glass
- plants
- Prior art date
- 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
Links
- 239000011521 glass Substances 0.000 title abstract 2
- 239000000463 material Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 abstract 1
- 239000002956 ash Substances 0.000 abstract 1
- 239000010881 fly ash Substances 0.000 abstract 1
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract 1
- 239000011707 mineral Substances 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 239000002893 slag Substances 0.000 abstract 1
- 239000010802 sludge Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0063—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing waste materials, e.g. slags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/20—Agglomeration, binding or encapsulation of solid waste
- B09B3/25—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
- B09B3/29—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix involving a melting or softening step
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C11/00—Multi-cellular glass ; Porous or hollow glass or glass particles
- C03C11/007—Foam glass, e.g. obtained by incorporating a blowing agent and heating
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/26—Cements from oil shales, residues or waste other than slag from raw materials containing flue dust, i.e. fly ash
-
- Y—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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Treatment Of Sludge (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Glass Compositions (AREA)
Abstract
Un método para producir clínkeres de cemento en un horno giratorio cargado por el extremo superior con materias primas calcáreas, silíceas, ferríferas y arcillosas y calentando con combustibles inyectado desde el extremo inferior juntamente con un gas que soporta la combustión, preferiblemente aire atmosférico, y donde los clínkeres producidos después de nodulización y sinterización subsiguiente son retirados del extremo inferior del horno y enfriados, mientras que los gases añadidos y los producidos durante el proceso son retirados desde el extremo superior del horno y son desprovistos de polvo arrastrado en un filtro, en el que se introducen cenizas volantes cuya composición mineral ha sido ajustada, al menos añadiendo minerales calcáreos, conforme a la composición deseada de los clínkeres, por el extremo inferior del horno giratorio en la misma dirección que el aire inyectado, al tiempo que se introduce por el extremo superior del horno, en contracorriente con el aire, una mezcla de materias primas calcáreas, silíceas, ferríferas y arcillosas adaptadas a la composición deseada de los clínkeres, de la cual las materias primas silíceas, ferríferas y arcillosas, pueden estar constituidas total o parcialmente por cenizas volantes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB47/77A GB1585801A (en) | 1977-01-04 | 1977-01-04 | Methods and apparatus for production of cements |
Publications (1)
Publication Number | Publication Date |
---|---|
ES465690A1 true ES465690A1 (es) | 1979-01-01 |
Family
ID=9697447
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES465690A Expired ES465690A1 (es) | 1977-01-04 | 1978-01-03 | Un metodo para producir clinkeres de cemento |
ES465691A Expired ES465691A1 (es) | 1977-01-04 | 1978-01-03 | Un procedimiento de fabricar un material de vidrio cristali-zable con ampollas |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES465691A Expired ES465691A1 (es) | 1977-01-04 | 1978-01-03 | Un procedimiento de fabricar un material de vidrio cristali-zable con ampollas |
Country Status (19)
Country | Link |
---|---|
US (2) | US4191546A (es) |
JP (2) | JPS53104619A (es) |
AU (2) | AU520756B2 (es) |
BE (2) | BE862645A (es) |
CA (2) | CA1092173A (es) |
DE (2) | DE2758820A1 (es) |
DK (2) | DK587277A (es) |
ES (2) | ES465690A1 (es) |
FI (2) | FI780014A (es) |
FR (2) | FR2376086A1 (es) |
GB (1) | GB1585801A (es) |
IE (2) | IE46291B1 (es) |
IT (2) | IT1092956B (es) |
LU (2) | LU78812A1 (es) |
NL (2) | NL7800109A (es) |
NO (2) | NO774521L (es) |
PL (2) | PL203793A1 (es) |
SE (2) | SE7800079L (es) |
ZA (2) | ZA777689B (es) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2940108C2 (de) * | 1979-10-03 | 1982-03-11 | Dennert, Hans Veit, 8602 Schlüsselfeld | Verfahren zum Herstellen von Schaumglasformkörpern aus natürlich vorkommenden, wasserhaltigen Verwitterungsprodukten |
DE3020896A1 (de) * | 1980-06-02 | 1981-12-17 | Licencia Találmányokat Ertékesítö Vállalat, Budapest | Verfahren zur herstellung von calciumsilikat- und/oder calciumaluminathaltigen, gegebenenfalls pulverfoermigen, klinkermaterialien |
DE3038457C2 (de) * | 1980-10-11 | 1983-11-10 | L. & C. Steinmüller GmbH, 5270 Gummersbach | Verwendung eines Abfallproduktes aus der trockenen Rauchgasentschwefelung für die Herstellung von Flugaschezement |
JPS5869775A (ja) * | 1981-10-21 | 1983-04-26 | 川崎重工業株式会社 | 流動床ボイラ排出灰をセメント製造プラントに利用する方法 |
US4508573A (en) * | 1981-12-02 | 1985-04-02 | Texas Industries, Inc. | Co-production of cementitious products |
US4600438A (en) * | 1983-03-09 | 1986-07-15 | Texas Industries, Inc. | Co-production of cementitious products |
US4787938B3 (en) * | 1986-06-30 | 1999-11-30 | Standard Havens | Countercurrent drum mixer asphalt plant |
US4917732A (en) * | 1986-12-22 | 1990-04-17 | Shell Oil Company | Flyash treatment |
DE3718669A1 (de) * | 1987-06-04 | 1988-12-15 | Metallgesellschaft Ag | Verfahren zur aufarbeitung von kontaminierten mineralstoffen |
US5041398A (en) * | 1989-02-22 | 1991-08-20 | Wheaton Industries | Method for treating incinerator ash |
US4977837A (en) * | 1990-02-27 | 1990-12-18 | National Recovery Technologies, Inc. | Process and apparatus for reducing heavy metal toxicity in fly ash from solid waste incineration |
DE4035777A1 (de) * | 1990-11-08 | 1992-05-14 | Noell Gmbh | Verfahren zur entsorgung von staeuben, die toxische schwermetalle, toxische organische stoffe und aehnliche verbindungen enthalten |
JP2775525B2 (ja) * | 1990-12-25 | 1998-07-16 | 月島機械株式会社 | 結晶化ガラスの製造方法 |
DE4112162C1 (es) * | 1991-04-13 | 1992-07-30 | Beteiligungen Sorg Gmbh & Co Kg, 8770 Lohr, De | |
US5188649A (en) * | 1991-08-07 | 1993-02-23 | Pedro Buarque de Macedo | Process for vitrifying asbestos containing waste, infectious waste, toxic materials and radioactive waste |
FR2684573B1 (fr) * | 1991-12-05 | 1994-10-07 | Mediterranee Const Ind | Procede de traitement de residus solides provenant de l'epuration des fumees issues d'un four d'incineration pour realiser par exemple leur vitrification ou leur mise en fusion, et son installation. |
US5588977A (en) * | 1993-11-02 | 1996-12-31 | East West Trade Group, Inc. | Method of producing glass materials from ash-slag waste |
US5538340A (en) * | 1993-12-14 | 1996-07-23 | Gencor Industries, Inc. | Counterflow drum mixer for making asphaltic concrete and methods of operation |
US5421880C1 (en) * | 1994-01-14 | 2001-06-05 | Texas Industries Inc | Method and apparatus for using steel slag in cement clinker production |
US5494515C1 (en) * | 1995-03-15 | 2002-01-22 | Texas Industries Inc | Method and apparatus for using blast-furnace slag in cement clinker production |
US5678236A (en) * | 1996-01-23 | 1997-10-14 | Pedro Buarque De Macedo | Method and apparatus for eliminating volatiles or airborne entrainments when vitrifying radioactive and/or hazardous waste |
IT1289677B1 (it) * | 1996-11-22 | 1998-10-16 | Co R I Ve Consorzio Ricerca In | Procedimento per la produzione di un vetro a partire da una carica di materiale solido risultante dalla combustione di rifiuti solidi |
US5837052A (en) * | 1997-04-10 | 1998-11-17 | Lafarge Canada Inc. | Process for producing cement clinker containing coal ash |
US6491751B1 (en) | 1998-09-18 | 2002-12-10 | Texas Industries, Inc. | Method for manufacturing cement using a raw material mix including finely ground steel slag |
US6322355B1 (en) * | 1999-10-20 | 2001-11-27 | Texas Industries, Inc. | Method and apparatus for disposing of waste dust generated in the manufacture of cement clinker |
UA74802C2 (en) | 1999-12-06 | 2006-02-15 | Rgs90 | A process for producing glass, glass produced by this method and use thereof |
US20050268656A1 (en) * | 2001-01-08 | 2005-12-08 | Alexander Raichel | Poly-crystalline compositions |
US6825139B2 (en) * | 2001-01-08 | 2004-11-30 | Glasscerax Ltd. | Poly-crystalline compositions |
US6709510B1 (en) | 2002-11-19 | 2004-03-23 | Texas Industries, Inc. | Process for using mill scale in cement clinker production |
FR2867400B1 (fr) * | 2004-03-10 | 2006-07-07 | Marcadier Eric | Procede de traitement de residus d'epuration des fumees d'incineration d'ordures menageres et produit obtenu |
US20060070406A1 (en) * | 2004-09-28 | 2006-04-06 | Orgyr Technologies Ltd. | Use of coal ash for the safe disposal of mineral waste |
US20070197423A1 (en) * | 2006-02-21 | 2007-08-23 | The Procter & Gamble Company | Detergent compositions |
CN100383071C (zh) * | 2006-01-25 | 2008-04-23 | 中国地质大学(武汉) | 污泥微晶玻璃及其制备方法 |
WO2007144875A1 (en) * | 2006-06-13 | 2007-12-21 | D&D Salomon Investment Ltd. | Glass-ceramic materials having a predominant spinel-group crystal phase |
CN101827638B (zh) | 2007-08-03 | 2016-07-13 | 埃尔西韦公司 | 多孔体和方法 |
ITRE20080057A1 (it) * | 2008-06-25 | 2009-12-26 | Michele Carnevali | '' procedimento per la fabbricazione di manufatti derivanti da rifiuti pericolosi '' |
DE102008061743B4 (de) * | 2008-12-12 | 2014-12-04 | Outotec Oyj | Verfahren zur Herstellung eines hydraulisch wirkenden Produkts |
CN101524695B (zh) * | 2009-04-03 | 2011-06-08 | 沈阳航空工业学院 | 利用电厂飞灰生产漂珠的方法 |
US8277743B1 (en) | 2009-04-08 | 2012-10-02 | Errcive, Inc. | Substrate fabrication |
CN101569890B (zh) * | 2009-05-25 | 2011-01-05 | 北京新北水水泥有限责任公司 | 一种飞灰的新的处理方法 |
US8359829B1 (en) | 2009-06-25 | 2013-01-29 | Ramberg Charles E | Powertrain controls |
US9833932B1 (en) | 2010-06-30 | 2017-12-05 | Charles E. Ramberg | Layered structures |
CN102500606B (zh) * | 2011-10-28 | 2014-04-30 | 王发东 | 生活垃圾胶状物的制备方法 |
RU2524585C2 (ru) * | 2012-06-01 | 2014-07-27 | Открытое акционерное общество "Производственное объединение Электрохимический завод" (ОАО "ПО ЭХЗ") | Способ получения пеносиликата |
CN102826758B (zh) * | 2012-08-29 | 2015-12-09 | 内蒙古科技大学 | 工业耐磨耐腐蚀微晶玻璃板材及制备方法 |
RU2515520C1 (ru) * | 2012-09-10 | 2014-05-10 | федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный технический университет (Новочеркасский политехнический институт)" | Гранулированное пеношлакостекло |
WO2014082205A1 (zh) * | 2012-11-27 | 2014-06-05 | 神华集团有限责任公司 | 一种制备钠钙硅酸盐玻璃基本配方的方法以及粉煤灰提铝联产玻璃的方法 |
RU2528798C1 (ru) * | 2013-04-26 | 2014-09-20 | федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный технический университет (Новочеркасский политехнический институт)" | Гранулированное пеношлакостекло |
RU2563847C1 (ru) * | 2014-10-21 | 2015-09-20 | Юлия Алексеевна Щепочкина | Шихта для изготовления пеностекла |
CN107188421B (zh) * | 2016-03-15 | 2019-11-01 | 神华集团有限责任公司 | 一种微晶玻璃及其制备方法 |
RU2627789C1 (ru) * | 2016-05-26 | 2017-08-11 | федеральное государственное бюджетное образовательное учреждение высшего образования "Южно-Российский государственный политехнический университет (НПИ) имени М.И. Платова" | Шихта для получения пеностекла |
DE102017202325A1 (de) | 2017-02-14 | 2018-08-16 | Thyssenkrupp Ag | Verfahren und Vorrichtung zur Aufbereitung von Asche |
CN110756550A (zh) * | 2019-10-08 | 2020-02-07 | 宁波九镆科技有限公司 | 一种玻璃纤维厂废玻璃丝资源化工艺 |
CN111282964B (zh) * | 2020-03-03 | 2021-12-17 | 卢衍忠 | 一种处理垃圾用于陶粒砂制备装置 |
RU2765867C1 (ru) * | 2020-10-19 | 2022-02-04 | Александр Алексеевич Костылев | Способ получения пеносиликата |
CN114956784B (zh) * | 2022-05-13 | 2023-12-01 | 南方科技大学 | 陶瓷膜及其制备方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1746860A (en) * | 1927-01-18 | 1930-02-11 | Dwight & Lloyd Metallurg Compa | Process of manufacturing cellular aggregate |
US1895159A (en) * | 1931-07-31 | 1933-01-24 | John E Greenawalt | Method of disposing of sewage sludge |
GB765677A (en) * | 1953-08-26 | 1957-01-09 | David Smith Grant | Utilisation of flue dust or fly ash in the manufacture of cement |
GB795787A (en) | 1955-02-04 | 1958-05-28 | Kroyer K K K | Road construction materials |
GB897125A (en) | 1958-08-20 | 1962-05-23 | Karl Kristian Kobs Kra & Yer | Aggregate material for construction materials, particularly road construction materials, and process for producing same |
FR1383013A (fr) * | 1962-10-23 | 1964-12-24 | Procédé de fabrication de verre dévitrifié | |
NL299548A (es) * | 1962-10-23 | |||
DK106664C (da) * | 1964-02-25 | 1967-02-27 | Kroyer K K K | Fremgangsmåde til fremstilling af et hvidligt, kornet aggregat til bygningsformål ud fra et krystalliserbart, glasagtigt materiale. |
DK105386C (da) * | 1964-02-28 | 1966-09-19 | Kroyer K K K | Fremgangsmåde til fremstilling af keramiske materialer. |
US3328180A (en) * | 1964-06-24 | 1967-06-27 | Mcdowell Wellman Eng Co | Method of making light-weight aggregate from fly ash |
US3302938A (en) * | 1965-01-25 | 1967-02-07 | Bendy Engineering Company | Cement production in a rotary kiln |
US3441396A (en) * | 1965-06-03 | 1969-04-29 | Pittsburgh Corning Corp | Process for making cellular materials |
FR1526207A (fr) * | 1967-04-12 | 1968-05-24 | Centre Nat Rech Scient | Nouveau matériau constitutif du béton et moyens pour le fabriquer |
US3437329A (en) * | 1967-06-23 | 1969-04-08 | Dundee Cement Co | Process for forming special cements |
US3503771A (en) * | 1967-07-18 | 1970-03-31 | Kroyer K K K | Synthetic aggregate material and a process for producing same |
GB1401271A (en) * | 1971-06-17 | 1975-07-16 | Kroyer K K K | Aggregate for road construction and method for the production of said aggregate |
DE2210837A1 (de) * | 1972-03-07 | 1973-09-20 | Bayer Ag | Verfahren zur herstellung von schaumstofformkoerpern |
DE2254750A1 (de) * | 1972-03-30 | 1973-11-08 | Interthermocrete Gmbh | Verfahren zum herstellen eines zuschlagstoffes fuer beton oder moertel unter verwendung von ueberwiegend organischen abfallstoffen |
GB1402757A (en) * | 1972-04-21 | 1975-08-13 | Kroyer K K K | Constructional material |
US3811851A (en) * | 1972-07-05 | 1974-05-21 | Univ California | Method of making foamed glass products with excreta and glass batch |
GB1405294A (en) * | 1972-07-27 | 1975-09-10 | Ass Portland Cement | Conversion of refuse |
CH577944A5 (en) * | 1972-09-18 | 1976-07-30 | Kurz Fredrik W A | Porous ceramics - eg expanded clay by reacting clay with flue gas or filter dust |
FR2203381A5 (en) * | 1972-10-17 | 1974-05-10 | G N | White charge for hardening mixtures in civil engineering - using metallurgical slag to produce vitreous mass |
JPS572654B2 (es) * | 1973-09-18 | 1982-01-18 | ||
GB1510392A (en) * | 1976-01-19 | 1978-05-10 | Ass Portland Cement | Portland cement manufacture and utilisation of waste matter |
DK139297B (da) * | 1976-07-28 | 1979-01-29 | Kroyer K K K | Fremgangsmåde til fremstilling af et blæreholdigt silicatmateriale. |
-
1977
- 1977-01-04 GB GB47/77A patent/GB1585801A/en not_active Expired
- 1977-12-28 ZA ZA00777689A patent/ZA777689B/xx unknown
- 1977-12-28 ZA ZA00777691A patent/ZA777691B/xx unknown
- 1977-12-28 US US05/865,282 patent/US4191546A/en not_active Expired - Lifetime
- 1977-12-30 NO NO774521A patent/NO774521L/no unknown
- 1977-12-30 DK DK587277A patent/DK587277A/da not_active Application Discontinuation
- 1977-12-30 DE DE19772758820 patent/DE2758820A1/de not_active Withdrawn
- 1977-12-30 NO NO774522A patent/NO774522L/no unknown
- 1977-12-30 DE DE19772758821 patent/DE2758821A1/de not_active Withdrawn
- 1977-12-30 DK DK587377A patent/DK587377A/da not_active Application Discontinuation
-
1978
- 1978-01-03 ES ES465690A patent/ES465690A1/es not_active Expired
- 1978-01-03 ES ES465691A patent/ES465691A1/es not_active Expired
- 1978-01-03 FI FI780014A patent/FI780014A/fi not_active Application Discontinuation
- 1978-01-03 FR FR7800035A patent/FR2376086A1/fr not_active Withdrawn
- 1978-01-03 CA CA294,268A patent/CA1092173A/en not_active Expired
- 1978-01-03 IE IE14/78A patent/IE46291B1/en unknown
- 1978-01-03 SE SE7800079A patent/SE7800079L/xx unknown
- 1978-01-03 FI FI780013A patent/FI780013A/fi not_active Application Discontinuation
- 1978-01-03 SE SE7800080A patent/SE7800080L/xx unknown
- 1978-01-03 IE IE15/78A patent/IE46292B1/en unknown
- 1978-01-03 AU AU32125/78A patent/AU520756B2/en not_active Expired
- 1978-01-03 AU AU32124/78A patent/AU514807B2/en not_active Expired
- 1978-01-03 FR FR7800037A patent/FR2375887A1/fr not_active Withdrawn
- 1978-01-03 CA CA294,245A patent/CA1096629A/en not_active Expired
- 1978-01-04 LU LU78812A patent/LU78812A1/xx unknown
- 1978-01-04 IT IT19022/78A patent/IT1092956B/it active
- 1978-01-04 BE BE184111A patent/BE862645A/xx unknown
- 1978-01-04 PL PL20379378A patent/PL203793A1/xx unknown
- 1978-01-04 BE BE184110A patent/BE862644A/xx unknown
- 1978-01-04 JP JP9978A patent/JPS53104619A/ja active Pending
- 1978-01-04 LU LU78810A patent/LU78810A1/xx unknown
- 1978-01-04 NL NL7800109A patent/NL7800109A/xx not_active Application Discontinuation
- 1978-01-04 PL PL1978203792A patent/PL123223B1/pl unknown
- 1978-01-04 IT IT19023/78A patent/IT1092957B/it active
- 1978-01-04 NL NL7800110A patent/NL7800110A/xx not_active Application Discontinuation
- 1978-01-04 JP JP10078A patent/JPS53104628A/ja active Pending
-
1979
- 1979-03-23 US US06/023,496 patent/US4265671A/en not_active Expired - Lifetime
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