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(en)
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1873-09-30 |
|
Improvement in fertilizers from offal |
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1932-05-13 |
1936-01-07 |
Oliver United Filters Inc |
Method for treatment of sewage
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(en)
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1947-05-03 |
1951-09-25 |
Commerical Solvents Corp |
Process for producing ammonium nitrate
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(en)
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1951-11-29 |
1953-12-15 |
Hercules Powder Co Ltd |
Process for the purification of water-soluble reaction products of a rosin and an alkylene oxide
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(en)
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1952-11-03 |
1956-07-17 |
Swift & Co |
Plant food manufacture
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(en)
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1953-06-30 |
1957-07-23 |
Ncr Co |
Oil-containing microscopic capsules and method of making them
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NL95044C
(fr)
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1953-06-30 |
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(en)
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1955-01-27 |
1959-09-01 |
Jr Bernard J Kerley |
Method and apparatus for producing ammonium salts
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(en)
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1955-07-14 |
1958-12-16 |
Allied Chem |
Process for mixed fertilizer containing ureaform
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(en)
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1958-07-10 |
1962-08-21 |
Phillips Petroleum Co |
Fertilizer
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DE1484838A1
(de)
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1964-02-04 |
1969-06-04 |
Metallgesellschaft Ag |
Verfahren zum Behandeln von Zentrifugat,das bei der Entwaesserung von Klaerschlamm mittels Dekantier-Zentrifugen anfaellt
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(en)
*
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1964-05-08 |
1967-02-28 |
Sun Oil Co |
Method of preparing a non-caking slow release fertilizer
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1964-07-20 |
1967-08-15 |
Int Minerals & Chem Corp |
Process for coating a plant nutrient with phenol formaldehyde, urea and furfuryl alcohol
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(en)
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1964-11-30 |
1969-10-28 |
Dainippon Toryo Kk |
Plural coated pellet form products and process of making
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(en)
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1965-03-18 |
1967-02-21 |
Nat Eng Co |
Apparatus for conditioning granular material using rotating spokes and aerating cleats
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(en)
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1965-10-14 |
1966-07-05 |
Archer Daniels Midland Co |
Slow release fertilizer with a plurality of epoxy/polyester resin coatings
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(en)
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1965-12-08 |
1966-08-02 |
Archer Daniels Midland Co |
Slow release fertilizer granule having a plurality of epoxy resin coatings
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(en)
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1965-12-10 |
1966-08-02 |
Archer Daniels Midland Co |
Slow release fertilizer granule having a plurality of urethane resin coatings
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(en)
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1967-05-23 |
1969-11-04 |
Johan Ragnar Liljegren |
Methods of separating inorganic impurities from sewage and of making a soil improving composition from the impurities separated
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FR2133115A6
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1971-04-08 |
1972-11-24 |
Ciba Geigy Ag |
Coated sodium chlorate compsns - herbicides with less risk of spontaneous combustion
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(en)
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1969-01-10 |
1972-04-11 |
John N Karnemaat |
Process for treating waste materials
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GB1323676A
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1969-07-09 |
1973-07-18 |
Int Combustion Holdings Ltd |
Composting material
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CA965966A
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1970-01-08 |
1975-04-15 |
Jesse R. Conner |
Land improvement with waste materials
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1970-04-28 |
1974-03-16 |
Fuji Photo Film Co Ltd |
Procedimiento para la produccion de microcapsulas conte- niendo liquido aceitoso.
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(en)
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1971-08-25 |
1975-10-28 |
Egon Luck |
Sewage treatment
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1971-11-08 |
1976-03-09 |
Orgonics, Inc. |
Process for treating sewage sludge and fertilizer products thereof
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1972-10-25 |
1981-02-10 |
Franz Kneer |
Method of digesting organic wastes
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1973-10-15 |
1977-06-07 |
Manchak Frank |
Method and apparatus for treating sumps
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(en)
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1974-07-10 |
1977-01-04 |
Ncr Corporation |
Capsule manufacture
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(en)
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1974-08-05 |
1976-06-01 |
Lebo Willis R |
Method and apparatus for treating liquid sewage and waste
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1974-08-12 |
1976-06-29 |
Fmc Corporation |
Animal waste odor treatment
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1974-08-30 |
1976-02-17 |
General Environmental Systems Co., Inc. |
Process for treating animal waste
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1975-05-28 |
1976-12-02 |
Rheinische Kalksteinwerke |
Verfahren zur herstellung eines kalkhaltigen duengemittels aus klaerschlamm
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1975-07-09 |
1978-02-28 |
Rickard M David |
Method for treatment of digester supernatant and other streams in wastewater treatment facilities
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FR2320266A1
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1975-08-06 |
1977-03-04 |
Quienot Jean |
Procede de solidification de dechets de nature et origine diverses
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1975-12-23 |
1978-08-22 |
Weiss & Co. |
Elimination of odors from organic wastes
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1976-08-27 |
1979-05-15 |
Mississippi Chemical Corporation |
Process for granulating ammonium phosphate containing fertilizers
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1976-12-30 |
1978-07-11 |
Ncr Corporation |
Capsule manufacture
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UST969002I4
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1977-07-25 |
1978-04-04 |
Tennessee Valley Authority |
Granular ammonium phosphate sulfate and urea-ammonium phosphate sulfate using a common pipe-cross reactor
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GR66833B
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1977-10-19 |
1981-05-04 |
Stablex Ag |
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1977-12-16 |
1979-12-25 |
Industrial Filter & Pump Mfg. Co. |
Process of making agricultural product from organic sewage sludge
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1977-12-23 |
1987-03-26 |
Degussa Ag, 6000 Frankfurt |
Verfahren zum Desodorieren von Schlämmen
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1978-01-10 |
1978-09-21 |
Bernhard Debbeler |
Verfahren zum Aufbereiten und Pasteurisieren von Klaerschlamm unter Beifuegen von CaO
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1978-09-05 |
1980-08-26 |
Union Oil Company Of California |
Multicomponent soil supplement
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1978-11-22 |
1983-11-17 |
Wilhelm Roediger Gmbh + Co, 6450 Hanau |
Verfahren zum weiteren Entwässern und zum Hygienisieren von Abwasserschlamm
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1979-05-21 |
1980-12-04 |
Bayer Ag |
Verfahren zur herstellung von polyadditionsprodukten aus isocyanaten und denaturierten biomassen sowie deren verwendung als reaktiver fuellstoff und als pflanzennaehrstoffe und verfahren zur herstellung von platten oder formteilen unter verwendung der polyadditionsprodukte
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1980-04-02 |
1983-09-20 |
Uniscope, Inc. |
Elimination of odors from waste material
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1980-04-03 |
1984-09-06 |
Oxfam |
Treatment of activated or humus sludge
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1980-05-05 |
1981-12-08 |
Moore Jr William P |
Foliar feed compositions
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1980-07-14 |
1981-12-22 |
Willow Technology, Inc. |
Method for lime stabilization of wastewater treatment plant sludges
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1980-12-24 |
1983-03-22 |
Wrc Processing Company |
Organic sludge dewatering process
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1981-07-20 |
1983-03-22 |
Tennessee Valley Authority |
Ammonium polyphosphate sulfate fertilizers from wet-process phosphoric acid
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1981-08-20 |
1983-02-25 |
Kuraray Co Ltd |
吸水性発泡体
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1982-09-30 |
1985-02-19 |
Process Research Development & Management, Inc. |
Method for the treatment of wastewater sludge
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1983-05-16 |
1985-11-19 |
N-Viro Energy Systems Ltd. |
Beneficiating waste sludges for agricultural use and product made thereby
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1983-07-26 |
1985-04-30 |
Conversion Systems, Inc. |
Method of stabilizing organic waste
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1983-10-03 |
1986-10-28 |
Tennessee Valley Authority |
Pressure reactor for producing diammonium phosphate
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1983-10-17 |
1985-05-28 |
Hawkeye Chemical Company |
Method of converting sewage sludge to fertilizer
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1983-11-21 |
1989-09-14 |
Ecodeco Sist Srl |
Processo per la igienizzazione di fanghi biologici.
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1984-01-04 |
1985-07-05 |
Purac Ab |
Forfarande for framstellning av en komposterbar blandning av slam fran reningsverk for avloppsvatten jemte anordning for blandningens anvendning
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1984-02-09 |
1986-07-22 |
Kanzaki Paper Manufacturing Co., Ltd. |
Process for producing powder of microcapsules
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1984-09-24 |
1988-05-10 |
Robinson Elmo C |
Fertilizer and method
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1985-12-05 |
1989-10-13 |
Propiorga |
Procede et installation de recuperation d'energie a partir de dechets et residus
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1985-12-16 |
1987-01-15 |
Ashland Suedchemie Kernfest |
Verfahren zum Erzeugen einer wasserdurchlaessigen Umhuellung auf koernigen,wasserloeslichen Stoffen und seine Anwendung
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1986-02-10 |
1987-04-07 |
Don Roslonski |
Method and apparatus for the disintegration and destruction of hazardous and toxic sludge materials
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1986-08-18 |
1987-12-08 |
Moore William P |
Attrition resistant controlled release fertilizers
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1986-12-30 |
1988-03-17 |
Friedrich Gmbh & Co Bauservice |
Duengemittel mit einem Gehalt an Pilzmyzel sowie Verfahren zur Herstellung des Duengemittels
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1987-01-27 |
1988-12-27 |
Tulane Medical Center Of Tulane Univ. |
Method of treating sewage
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1988-01-28 |
1990-02-20 |
N-Viro Energy Systems Ltd. |
Method for treating wastewater sludge
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1987-02-27 |
1988-11-01 |
N-Viro Energy Systems Ltd. |
Method of treating wastewater sludge
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Fremgangsmåte til behandling av slam fra avlöpsvann for fremstilling av gjödning
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1987-03-23 |
1988-11-22 |
Pacific Micro Minerals, Inc. |
Chelated plant nutrients
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1987-08-05 |
1989-02-16 |
Peroxid Chemie Gmbh |
Entseuchung von klaerschlamm
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1987-10-21 |
1992-02-11 |
Aggio Recovery |
Method for producing insoluble industrial raw material from waste
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1987-11-03 |
1988-12-20 |
Tennessee Valley Authority |
Fertilizer values from galvanizer waste
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1988-08-11 |
1989-01-25 |
Newtech Mfg Pty |
Process for treating organic material sewage sludge treatment
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1988-10-12 |
1991-09-24 |
American Fly Ash Company |
Method of treating municipal sewage sludge and product produced thereby
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1989-02-13 |
1992-06-30 |
Westinghouse Electric Corp. |
Process for producing a dried fertilizer from sewage sludge
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1989-06-29 |
1993-08-24 |
Vigoro Industries, Inc. |
Fertilizer compositions and method of making such compositions
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1989-08-07 |
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Degradation of petroleum hydrocarbons with organisms encapsulated in wax
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Long Enterprises, Inc. |
Sewage sludge treatment with gas injection
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1989-11-06 |
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Methode et appareillage pour la production en continu de fertilisant d'origine organique
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1989-11-06 |
1995-08-22 |
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Method for producing suspension fertilizer
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Werkwijze voor het bereiden van korrelvormige meststof uit mest.
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1990-03-30 |
1992-04-07 |
Union Oil Company Of California |
Method for rendering ferric hydroxide sludges recyclable
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1991-08-26 |
1993-02-16 |
Rdp Company |
Process for treating sewage sludge
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Process and apparatus for pathogen reduction in waste
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1990-06-08 |
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Controlled-release microbe nutrients and method for bioremediation
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High rate method for alkaline stabilization, beneficiating and pelletizing of wastewater treatment plant sludges
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1990-11-30 |
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Method for treating wastewater sludge
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1990-11-30 |
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N-Viro International Corporation |
Process to stabilize bioorganic, raw or treated wastewater sludge
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1990-11-30 |
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Process to stabilize wastewater sludge
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1991-01-11 |
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Wisconsin Electric Power Company |
Lightweight aggregate from flyash and sewage sludge
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1991-01-22 |
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Soil treatment
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Verfahren zur getrennten behandlung und entsorgung von gemengen aus festen und flüssigen, organischen abfallstoffen
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1991-04-08 |
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Steam treatment of municipal solid waste
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Texaco Inc. |
Pumpable aqueous slurries of sewage sludge
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Verfahren zur herstellung von membranumhuellten duengemittelgranulaten
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1991-09-03 |
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Organic base fertilizer from municipal sewage sludge
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Process for treatment of wastewater containing inorganic ammonium salts
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Method and apparatus for the treatment of sewage sludge and the like
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Method for the treatment of sewage sludge and the like
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Pathogenic waste treatment
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1992-09-08 |
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Hazen And Sawyer, P.C. |
Method of treating wastewater biosolids
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1993-05-07 |
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Univ New England |
Procede ameliore d'enrobage de granules d'engrais
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1993-08-05 |
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Chemical Lime Company |
Apparatus and method for treating waste sludge
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1993-08-06 |
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International Tlb Research Institute, Inc. |
Engrais microbien recombine et ses procedes de production
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1993-10-15 |
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Greengrove Corporation |
Process for forming aggregate; and product
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1993-12-15 |
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Clemson University |
Encapsulated fertilizers and pesticides and process
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Method of treating organic material
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Process for treating a waste sludge of biological solids
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Apparatus for treatment of sewage sludge
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Bacterial Preparation for agricultural use
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Procede de stabilisation de boues
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Amsco, Incorporated |
Process for treatment of sludge
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Device and method for producing lenticular images with motion
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Process and apparatus for liquid sludge stabilization
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Unipure Corporation |
Production of dry, free flowing solids from bio-waste sludge
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Umhüllte Düngemittelgranulate
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Ohio Med College |
Method for treating bioorganic and wastewater sludges
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Medical College Of Ohio |
Method for treating bioorganic and wastewater sludges
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Procede et installation de fabrication d'engrais a partir de sous-produits organiques
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Method for coating dry pellets made of waste bio-solids with waste bio-solids
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Controlled release plant nutrients
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Chemical conditioning of liquid and semi-liquid sludge for dewatering, odor control, pathogen control, nutrient enhancement of the residual, and handling characteristics
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Method for dewatering of sludge
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Reacteur, procede et installation pour la fabrication de sels d'ammoniaque
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Pole advertising seat
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天然全元有机生物肥料
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Engrais organo-mineral et son procede de fabrication
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Treating sewage or like sludge
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Continuous flow pasteurization of sewage sludge
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Sewage sludge treatment
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Method and compositions for providing a chemical to a microorganism
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Sewage sludge recycling with a pipe cross-reactor
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Methods for producing fertilizers and feed supplements from agricultural and industrial wastes
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