SE8801873L - Foerfarande foer framstaellning av kalciumsulfat-alfa-semihydrat av finfoerdelat kalcuiumsulfatdiydrat - Google Patents

Foerfarande foer framstaellning av kalciumsulfat-alfa-semihydrat av finfoerdelat kalcuiumsulfatdiydrat

Info

Publication number
SE8801873L
SE8801873L SE8801873A SE8801873A SE8801873L SE 8801873 L SE8801873 L SE 8801873L SE 8801873 A SE8801873 A SE 8801873A SE 8801873 A SE8801873 A SE 8801873A SE 8801873 L SE8801873 L SE 8801873L
Authority
SE
Sweden
Prior art keywords
calcium sulphate
alfa
hydrated
procedures
semi
Prior art date
Application number
SE8801873A
Other languages
Unknown language ( )
English (en)
Other versions
SE8801873D0 (sv
SE469720B (sv
Inventor
T J Koslowski
Original Assignee
Rhein Westfael Elect Werk Ag
Sicowa Verfahrenstech
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6328115&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE8801873(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhein Westfael Elect Werk Ag, Sicowa Verfahrenstech filed Critical Rhein Westfael Elect Werk Ag
Publication of SE8801873D0 publication Critical patent/SE8801873D0/sv
Publication of SE8801873L publication Critical patent/SE8801873L/sv
Publication of SE469720B publication Critical patent/SE469720B/sv

Links

Classifications

    • 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
    • C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
    • C04B22/08—Acids or salts thereof
    • C04B22/14—Acids or salts thereof containing sulfur in the anion, e.g. sulfides
    • C04B22/142—Sulfates
    • C04B22/143—Calcium-sulfate
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
    • A01K1/0152—Litter
    • A01K1/0154—Litter comprising inorganic material
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/46—Sulfates
    • C01F11/466—Conversion of one form of calcium sulfate to another
    • 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
    • C04B11/00—Calcium sulfate cements
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • 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
    • C04B11/00—Calcium sulfate cements
    • C04B11/02—Methods and apparatus for dehydrating gypsum
    • C04B11/024—Ingredients added before, or during, the calcining process, e.g. calcination modifiers
    • 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
    • C04B11/00—Calcium sulfate cements
    • C04B11/26—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke
    • C04B11/268—Calcium sulfate cements strating from chemical gypsum; starting from phosphogypsum or from waste, e.g. purification products of smoke pelletizing of the material before starting the manufacture
    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/02—Agglomerated materials, e.g. artificial aggregates
    • C04B18/027—Lightweight materials
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
  • Moulds, Cores, Or Mandrels (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
SE8801873A 1987-05-22 1988-05-19 Foerfarande foer framstaellning av kalciumsulfat-alfa-semihydrat SE469720B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3717187 1987-05-22

Publications (3)

Publication Number Publication Date
SE8801873D0 SE8801873D0 (sv) 1988-05-19
SE8801873L true SE8801873L (sv) 1988-11-23
SE469720B SE469720B (sv) 1993-08-30

Family

ID=6328115

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8801873A SE469720B (sv) 1987-05-22 1988-05-19 Foerfarande foer framstaellning av kalciumsulfat-alfa-semihydrat

Country Status (20)

Country Link
US (2) US5015450A (sv)
EP (1) EP0342272B1 (sv)
JP (1) JPH0657605B2 (sv)
AT (1) AT396225B (sv)
BE (1) BE1002843A5 (sv)
CA (2) CA1335034C (sv)
CH (1) CH676974A5 (sv)
CS (2) CS274599B2 (sv)
DD (2) DD272291A5 (sv)
DK (1) DK277088A (sv)
ES (2) ES2009278A6 (sv)
FI (1) FI90052C (sv)
FR (1) FR2615505B1 (sv)
GB (1) GB2205089B (sv)
GR (1) GR1001149B (sv)
IT (1) IT1217676B (sv)
LU (1) LU87220A1 (sv)
NL (1) NL191238C (sv)
NO (1) NO179578C (sv)
SE (1) SE469720B (sv)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3819652C3 (de) * 1987-05-22 1996-08-01 Pro Mineral Ges Verfahren zur Erzeugung von als Baustoff geeignetem Calciumsulfat-Alphahalbhydrat aus feuchtem, feinteiligem Rauchgasentschwefelungsgips und seine Verwendung
DE3800794A1 (de) * 1988-01-14 1989-07-27 Rwk Rhein Westfael Kalkwerke Verfahren und anlage zur herstellung von calciumsulfat-halbhydrat in alpha-konfiguration
DE4008084A1 (de) * 1990-03-14 1991-09-19 Pro Mineral Ges Verfahren zur herstellung von gipsfaserplatten, insbesondere von fussbodenplatten
DK170143B1 (da) * 1990-09-26 1995-06-06 Skamol As Fremstilling og anvendelse af sorberende materiale som kattegrus
DE4034497C1 (sv) * 1990-10-30 1992-02-13 Metallgesellschaft Ag, 6000 Frankfurt, De
DE4127930A1 (de) * 1991-08-23 1993-02-25 Bold Joerg Verfahren zur herstellung von faserverstaerkten gipsplatten
US5312609A (en) * 1992-12-31 1994-05-17 Dravo Lime Company Method of sulfur dioxide removal from gaseous streams with α-hemihydrate gypsum product formation
FI945805A (sv) * 1993-12-16 1995-06-17 Sicowa Verfahrenstechnik Fuet Bindemedel för inneputsbruk
US5395438A (en) * 1994-01-14 1995-03-07 Usg Interiors, Inc. Mineral wool-free acoustical tile composition
JP2614602B2 (ja) * 1994-06-09 1997-05-28 小坂製錬株式会社 硫酸液からの板状二水石膏の連続製造法
US5595713A (en) * 1994-09-08 1997-01-21 The Babcock & Wilcox Company Hydrogen peroxide for flue gas desulfurization
US5562892A (en) * 1995-01-26 1996-10-08 Kirk; Donald W. Process for the production of alpha hemihydrate calcium sulfate from flue gas sludge
US6042665A (en) * 1996-02-16 2000-03-28 Kiraly; Bela Process for the production of gypsum-based composite boards and shaped bodies
EP0876996B1 (de) * 1997-05-10 2001-12-19 SICOWA Verfahrenstechnik für Baustoffe GmbH & Co. KG Verfahren zum Herstellen von Calciumsulfat-Alphahalbhydrat
US6164026A (en) * 1997-09-25 2000-12-26 New Jersey Institute Of Technology Raised access floor
US6652825B2 (en) 2001-05-01 2003-11-25 National Gypsum Properties Llc Method of producing calcium sulfate alpha-hemihydrate
US7507257B2 (en) * 2003-02-04 2009-03-24 Wright Medical Technology, Inc. Injectable resorbable bone graft material, powder for forming same and methods relating thereto for treating bone defects
US6964704B2 (en) * 2003-03-20 2005-11-15 G.B. Technologies, Llc Calcium sulphate-based composition and methods of making same
CN100352767C (zh) * 2003-03-20 2007-12-05 G.B.科技有限公司 一种α型硫酸钙半水合物及其制造方法和含有它们的混合物
JP4075709B2 (ja) * 2003-07-02 2008-04-16 住友電装株式会社 コネクタ
US7776150B2 (en) * 2006-03-16 2010-08-17 Koppern Eqipment, Inc. Process and apparatus for handling synthetic gypsum
JP5167126B2 (ja) * 2006-06-29 2013-03-21 吉野石膏株式会社 焼石膏及び石膏ボードの製造方法
US7754006B2 (en) * 2007-03-20 2010-07-13 United States Gypsum Company Process for manufacturing ready-mixed setting alpha-calcium sulphate hemi-hydrate and kit for same
DE102007024188B3 (de) * 2007-05-24 2008-04-10 Grenzebach Bsh Gmbh Verfahren zur Herstellung von Alpha-Calciumsulfat-Halbhydrat aus Calciumsulfat-Dihydrat und zugehörige Vorrichtung
US20090208392A1 (en) * 2008-02-14 2009-08-20 Georgia-Pacific Gypsum, Llc Process for producing alpha-hemihydrate gypsum
FI120819B (sv) * 2008-04-09 2010-03-31 Kemira Oyj Förfarande för att rena gips
EP2163532A1 (de) 2008-09-11 2010-03-17 Claudius Peters Technologies GmbH Verfahren und Anlage zur Herstellung von Hartgips
CN103482892A (zh) * 2013-09-17 2014-01-01 湖北龙源石膏有限公司 α型高强石膏粉的制备方法
US20160122197A1 (en) * 2014-11-03 2016-05-05 Georgia-Pacific Gypsum Llc Microwave heating for gypsum manufacturing processes
CN105384372B (zh) * 2015-11-27 2018-09-28 山东先罗输送机械有限公司 脱硫石膏制备建筑石膏的方法及其装置
CN105859236A (zh) * 2016-03-31 2016-08-17 安徽森科新材料有限公司 一种抗静电地板干法石膏胶凝基材及其制备方法
CN106145853A (zh) * 2016-07-01 2016-11-23 马振义 耐水磷石膏模合及其制备方法
CN106145854A (zh) * 2016-07-01 2016-11-23 马振义 耐水脱硫石膏模合及其制备方法
CN109843807B (zh) * 2016-10-17 2021-12-14 林德公司 用于生产具有独特的性质的硫酸钙半水合物的新方法
CN111298805B (zh) * 2020-03-13 2023-04-11 吉林省惠净环保有限公司 一种燃煤催化剂及其制备方法和应用
CN111807736A (zh) * 2020-07-13 2020-10-23 湖南金隆再生金属有限公司 一种脱硫熟石膏加工工艺

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR602091A (fr) * 1925-08-13 1926-03-12 Rumford Chemical Works Perfectionnements relatifs à la fabrication du plâtre de paris
US1901051A (en) * 1929-08-08 1933-03-14 United States Gypsum Co High strength calcined gypsum and process of manufacturing same
DE800548C (de) * 1948-10-02 1950-11-13 Metallgesellschaft Akt Ges Verfahren zur Herstellung von Baugips
GB829652A (en) * 1956-01-27 1960-03-02 Edmund Boergardts Improvements in or relating to the burning of gypsum
GB832256A (en) * 1957-02-18 1960-04-06 British Plaster Board Holdings Improvements in or relating to cementitious material
CH333247A (fr) * 1957-10-10 1958-10-15 Parechoc Sa Raquetterie pour pièce d'horlogerie
US3305518A (en) * 1963-07-09 1967-02-21 United States Gypsum Co Plaster composition containing polyvinyl acetate
DE1238374B (de) * 1965-04-24 1967-04-06 Giulini Ges Mit Beschraenkter Verfahren zur Herstellung von alpha-Calciumsulfat-Halbhydrat
US3666581A (en) * 1969-04-01 1972-05-30 United States Gypsum Co Method of making dried gypsum articles having improved strength to density ratio
BE756667A (nl) * 1969-09-26 1971-03-01 Geelen Hendrik E Van Werkwijze voor het bereiden van alpha-calciumsulfaathalfhydraat
GB1429187A (en) * 1972-05-11 1976-03-24 Bpb Industries Ltd Process for the conversion of anhydrite into gypsum
JPS4972187A (sv) * 1972-11-10 1974-07-12
DE2337374A1 (de) * 1973-07-23 1975-04-10 Gypsum Research Verfahren zur herstellung von faserhaltigen baukoerpern
DE2433554A1 (de) * 1974-07-12 1976-01-29 Giulini Gmbh Geb Gussmassen auf basis von alpha-calciumsulfat-halbhydrat
JPS5128117A (ja) * 1974-09-04 1976-03-09 Mitsui Toatsu Chemicals Kyokasoseibutsu
JPS52146422A (en) * 1976-05-31 1977-12-06 Matsushita Electric Works Ltd Production of inorganic hardend body
JPS5337595A (en) * 1976-09-21 1978-04-06 Osaka Kouhai Kk Manufacturing process for higher strength gypsum hardened material from crude gypsum
JPS5355629A (en) * 1976-10-29 1978-05-20 Mitsubishi Heavy Ind Ltd Method of improving supporting force of road bed
DE2658915C3 (de) * 1976-12-24 1987-06-19 Gebr. Knauf Westdeutsche Gipswerke, 8715 Iphofen Verfahren zur Herstellung von stückigem Calciumsulfat-Dihydrat
DE2704577A1 (de) * 1977-02-04 1978-08-10 Babcock Bsh Ag Anlage und verfahren fuer das abtrennen von alpha-kalziumsulfat-halbhydratschlaemmen aus einer suspension
JPS5811369B2 (ja) * 1977-08-29 1983-03-02 太平洋セメント株式会社 石こう針状結晶細径繊維の製造方法
JPS5510406A (en) * 1978-07-05 1980-01-24 Idemitsu Kosan Co Ltd Production of gypsum
JPS5595669A (en) * 1978-05-16 1980-07-21 Mitsubishi Heavy Ind Ltd Asphalt filler
JPS553314A (en) * 1978-06-17 1980-01-11 Idemitsu Kosan Co Ltd Production of fibrous gypsum
JPS6041028B2 (ja) * 1980-09-16 1985-09-13 亀雄 堀川 貼華焼成品の製造方法
US4309391A (en) * 1980-12-03 1982-01-05 United States Gypsum Company Lump process alpha gypsum
DE3048506C2 (de) * 1980-12-22 1986-09-11 Rigips GmbH, 3452 Bodenwerder Trockene pulverförmige Putzmischung und Verfahren zu ihrer Herstellung
DE3117662A1 (de) * 1981-05-05 1982-11-25 Heinrich 4350 Recklinghausen Quante Gipsstein- und gipssandsteinherstellung
DE3222865C2 (de) * 1981-07-10 1992-10-22 Steag Ag, 4300 Essen Verfahren zum Granulieren von bei chemischen Prozessen anfallendem Gips und Verwendung einer Kompaktierungseinrichtung zum Granulieren von Gips nach dem Verfahren
DE3232077C2 (de) * 1982-08-28 1986-10-23 Rheinisch-Westfälisches Elektrizitätswerk AG, 4300 Essen Verfahren und Vorrichtung zur Entfernung von Schwefeldioxid und anderen Schadstoffen aus Rauchgasen
KR900000030B1 (ko) * 1983-04-15 1990-01-18 가부시기가이샤 히다찌세이사꾸쇼 슬립캐스팅용 주형
DE3502637A1 (de) * 1985-01-26 1986-09-11 Frank W. Dr.-Ing. 6600 Saarbrücken Fink Verfahren zum kalzinieren von stueckigem rauchgasentschwefelungsgips mittels dampfeinwirkung
DE3612931A1 (de) * 1986-04-17 1987-10-22 Hoelter Heinz Bergbaumoertel aus abfallbergen der kohlegewinnung
AU7748187A (en) * 1986-08-28 1988-03-03 Winroc Holdings Ltd. High strength, fire-resistant gypsum composition

Also Published As

Publication number Publication date
NO882200D0 (no) 1988-05-20
US5015450A (en) 1991-05-14
DK277088D0 (da) 1988-05-20
ES2022975B3 (es) 1991-12-16
NO882200L (no) 1988-11-23
FI90052B (fi) 1993-09-15
FI90052C (sv) 1993-12-27
GR880100324A (en) 1989-02-23
BE1002843A5 (fr) 1991-07-02
CS276735B6 (en) 1992-08-12
NO179578B (no) 1996-07-29
CS344888A3 (en) 1992-03-18
CH676974A5 (sv) 1991-03-28
GB2205089B (en) 1991-03-13
NL191238C (nl) 1995-04-03
ES2009278A6 (es) 1989-09-16
IT8820672A0 (it) 1988-05-20
ATA131288A (de) 1992-11-15
FI882327A (fi) 1988-11-23
FR2615505B1 (fr) 1992-10-23
DK277088A (da) 1989-02-06
GB8811393D0 (en) 1988-06-15
SE8801873D0 (sv) 1988-05-19
EP0342272A1 (de) 1989-11-23
DD272291A5 (de) 1998-10-01
LU87220A1 (de) 1988-12-13
DD281593A5 (de) 1990-08-15
CA1335034C (en) 1995-04-04
US5015449A (en) 1991-05-14
CS274599B2 (en) 1991-08-13
EP0342272B1 (de) 1991-04-17
JPS6465016A (en) 1989-03-10
IT1217676B (it) 1990-03-30
CS344988A2 (en) 1991-01-15
SE469720B (sv) 1993-08-30
NL8801305A (nl) 1988-12-16
NO179578C (no) 1996-11-06
NL191238B (nl) 1994-11-01
CA1334332C (en) 1995-02-14
FR2615505A1 (fr) 1988-11-25
JPH0657605B2 (ja) 1994-08-03
FI882327A0 (fi) 1988-05-18
GR1001149B (el) 1993-05-24
GB2205089A (en) 1988-11-30
AT396225B (de) 1993-07-26

Similar Documents

Publication Publication Date Title
SE8801873L (sv) Foerfarande foer framstaellning av kalciumsulfat-alfa-semihydrat av finfoerdelat kalcuiumsulfatdiydrat
FR2336913A1 (fr) Implants pour des os, des articulations et des racines de dents et procede de fabrication
PT85124A (en) Process for preparing composition for the treatment of hypertension containing neutral metalloendopeptidase inhibitors namely thiorphan
MY102549A (en) Crystalline calcium pseudomonate and a process for preparing the same and its use as a pharmaceutical composition
GB1549029A (en) Process for the conversion of gypsum into calcium sulphate hemihydrate
NL7811529A (nl) Werkwijze ter bereiding van vezelvormig calciumsulfaat.
DE3364779D1 (en) Substituted 4-aminomethylene chromans or chromenes, process for their preparation and their use in medicines
FR2545812B1 (fr) Carbonate de calcium, en particulier, carbonate de calcium naturel, procede de preparation et utilisation de ces produits
PL240734A1 (en) Process for preparing novel alpha-monohydrate of /+/-catechin
FI98703B (sv) Förfarande för framställning av ett hirudinderivat
DE3064332D1 (en) Process for treating leaching tailings obtained during the preparation of titanium dioxide
DE3462331D1 (en) Process for the isolation of 2-naphthylamine-3,6,8-trisulphonic acid as monopotassium or monoammonium salt
IL59857A (en) Monohydrate of 1alpha,25-dihydroxycholecalciferol,process for preparing it and pharmaceutical compositions containing it
ATE73425T1 (de) Verfahren zur behandlung von alpha-calciumsulfat- halbhydrat und nach dem vefahren erhaltenes produkt.
HUT35926A (en) Compositions for treating plant diseases and process for producing substituted benzopenta-thiepine derivatives utilizable as active agents
JPS53128598A (en) Method of producing calcium phosphate having higher purity than that of animal bones
SE8302943D0 (sv) Forfarande vid framstellning av granulert natriumtripolyfosfat med lag volymvikt
ZA772739B (en) Process for the manufacture of shaped products from calcium sulphate dihydrate
DE3473276D1 (en) 0,s-dialkyl-s-(carbamoyloxymethyl)-dithiophosphoric acid esters, process for their preparation as well as their use as pesticides
DE69011541D1 (de) Verfahren zur Herstellung von wasserfreiem Gips.
HUT54466A (en) Fungicidal compositions comprising nicotinic acide derivatives and process for the production of new nicotinic acid derivatives
NO900168L (no) Fremgangsmaate for opparbeiding av kalsiumsulfat-halvhydrat
FI900126A (sv) Förfarande för framställning av kalciumsulfat- -hemihydrat
ATE52484T1 (de) Verfahren zur herstellung von calciumsulfatanhydrit und abbindefaehigen calciumsulfaten.
HUT34158A (en) Process for preparing 2-alkyl-mercapto-1-amino-alkyl-2-pyrroline-3-carbonitriles

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8801873-4

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8801873-4

Format of ref document f/p: F