AR245780A1 - Goma welan de rapida hidratacion. - Google Patents

Goma welan de rapida hidratacion.

Info

Publication number
AR245780A1
AR245780A1 AR92301908A AR30190892A AR245780A1 AR 245780 A1 AR245780 A1 AR 245780A1 AR 92301908 A AR92301908 A AR 92301908A AR 30190892 A AR30190892 A AR 30190892A AR 245780 A1 AR245780 A1 AR 245780A1
Authority
AR
Argentina
Prior art keywords
precipitate
broth
welan gum
minutes
procedure
Prior art date
Application number
AR92301908A
Other languages
English (en)
Original Assignee
Merck & Co Inc
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
Application filed by Merck & Co Inc filed Critical Merck & Co Inc
Application granted granted Critical
Publication of AR245780A1 publication Critical patent/AR245780A1/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/38—Polysaccharides or derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Ceramic Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Microbiology (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

UN PROCEDIMIENTO PARA PREPARAR UNA GOMA WELAN DE RAPIDA HIDRATACION QUE COMPRENDE: A) INOCULAR UN MEDIO NUTRIENTE ACUOSO APROPIADO CON BACTERIAS EN FORMA DE VARILLAS, GRAM-NEGATIVA DE CAPA S-130; B) FERMENTAR AEROBICAMENTE LAS BACTERIAS A UN PH DESDE 6,5 Y 7,5; C) AGREGAR PROPIONATO DE CALCIO AL CALDO, AJUSTAR EL PH HASTA 10,5-12,5 Y CALENTAR EL CALDO DE FERMENTACION A UNA TEMPERATURA DE 76*C-100*C DURANTE 3-20 MINUTOS; D) PRECIPITAR EL HETEROPOLISACARIDO DEL MEDIO DE FERMENTACION, E) SECAR EL PRECIPITADO; Y F) MOLER EL PRECIPITADO SECO. UN PROCEDIMIENTO DONDE LA ETAPA (C) COMPRENDE AJUSTAR EL PH EN ENTRE 11 Y 11,5 Y CALENTAR EL CALDO A 99*C DURANTE 5 MINUTOS.
AR92301908A 1991-03-20 1992-03-11 Goma welan de rapida hidratacion. AR245780A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/672,505 US5175277A (en) 1991-03-20 1991-03-20 Rapidly hydrating welan gum

Publications (1)

Publication Number Publication Date
AR245780A1 true AR245780A1 (es) 1994-02-28

Family

ID=24698835

Family Applications (1)

Application Number Title Priority Date Filing Date
AR92301908A AR245780A1 (es) 1991-03-20 1992-03-11 Goma welan de rapida hidratacion.

Country Status (22)

Country Link
US (1) US5175277A (es)
EP (1) EP0505096B1 (es)
JP (1) JPH0689043B2 (es)
KR (1) KR100218206B1 (es)
CN (1) CN1047582C (es)
AR (1) AR245780A1 (es)
AT (1) ATE139797T1 (es)
AU (1) AU646327B2 (es)
BR (1) BR9200972A (es)
CA (1) CA2063087C (es)
DE (1) DE69211735T2 (es)
DK (1) DK0505096T3 (es)
ES (1) ES2088539T3 (es)
FI (1) FI921182A (es)
GR (1) GR3020872T3 (es)
HK (1) HK1007169A1 (es)
IE (1) IE920876A1 (es)
MX (1) MX9201225A (es)
NO (1) NO301845B1 (es)
NZ (1) NZ241937A (es)
RU (1) RU2119923C1 (es)
ZA (1) ZA922013B (es)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5455232A (en) * 1992-02-04 1995-10-03 Piljac; Goran Pharmaceutical preparation based on rhamnolipid
JP2923920B2 (ja) * 1993-11-08 1999-07-26 鹿島建設株式会社 コンクリート施工法
US5542358A (en) * 1994-03-11 1996-08-06 Breslauer; Charles S. Ultra-light high moisture retention tile mortar
FR2721601B1 (fr) * 1994-06-24 1996-08-14 Rhone Poulenc Chimie Ciments comprenant des polysaccharides, des protéines végétales et son mode de préparation.
US5750053A (en) * 1995-01-24 1998-05-12 Cortec Corporation Corrosion inhibitor for reducing corrosion in metallic concrete reinforcements
JPH11507002A (ja) * 1995-06-07 1999-06-22 ザ・ニユートラスウイート・カンパニー ヒドロコロイドと超可塑剤の安定懸濁系
DE19537616C2 (de) * 1995-07-25 1998-01-22 Dyckerhoff Ag Natriumbentonitfreie Injektionsmittelsuspension
US6033469A (en) * 1995-07-25 2000-03-07 Dyckerhuff Ag Injection preparation suspension free of sodium bentonite
US5718758A (en) * 1995-08-21 1998-02-17 Breslauer; Charles S. Ultra-light high moisture retention title mortar
JP4642160B2 (ja) * 1995-12-15 2011-03-02 モンサント・カンパニー セメント系における改善された流動学的性質の制御方法
WO1997027153A1 (en) * 1996-01-26 1997-07-31 The Nutrasweet Company Sulfate elevation in anionic polysaccharide-containing cementitious formulations for enhanced cement performance
AT406047B (de) * 1997-07-18 2000-01-25 Cement Intellectual Property L Verfahren zur herstellung eines flüssigen zusatzmittels auf der basis von wasserlöslichen, feinkörnigen polysacchariden, wie z.b. mikrobiellen oder pflanzlichen biopolymeren und/oder cellulosederivaten
AT406048B (de) * 1997-07-18 2000-01-25 Cement Intellectual Property L Verfahren zur herstellung eines flüssigen zusatzmittels auf der basis von wasserlöslichem welan gum
WO1999054413A1 (en) 1998-04-20 1999-10-28 Ashland Inc. Asphalt release agent
AU8352798A (en) * 1998-07-29 2000-02-21 Holderbank Financiere Glarus Ag Method for producing a liquid additive on the basis of water-soluble, fine-grained polysaccharides, such as microbial or plant biopolymers and/or cellulose derivatives
US7976625B2 (en) * 2006-01-20 2011-07-12 Cognis Ip Management Gmbh Compounds and methods for treating fly ash
CN100404558C (zh) * 2006-03-24 2008-07-23 张禹 温轮胶的制备方法
US9032971B2 (en) 2006-11-15 2015-05-19 Philip Morris Usa Inc. Moist tobacco product and method of making
US8312886B2 (en) 2007-08-09 2012-11-20 Philip Morris Usa Inc. Oral tobacco product having a hydrated membrane coating and a high surface area
US8469037B2 (en) 2008-02-08 2013-06-25 Philip Morris Usa Inc. Pre-portioned moist product and method of making
US9687023B2 (en) * 2009-10-09 2017-06-27 Philip Morris Usa Inc. Moist smokeless tobacco product for oral usage having on a portion of the outer surface at least one friction reducing strip that provides texture during use
US8539958B2 (en) 2009-10-13 2013-09-24 Philip Morris Usa Inc. Oral moist smokeless tobacco products with net-structured gel coating and methods of making
US8342241B2 (en) * 2009-12-18 2013-01-01 Schlumberger Technology Corporation Delivery of nanodispersions below ground
US8519016B2 (en) * 2010-12-30 2013-08-27 United States Gypsum Company Lightweight foamed fly ash based binders and method
US8851173B2 (en) * 2012-03-09 2014-10-07 Halliburton Energy Services, Inc. Set-delayed cement compositions comprising pumice and associated methods
US9346711B2 (en) * 2012-08-16 2016-05-24 Halliburton Energy Services, Inc. Geopolymer cement compositions and methods of use
RU2499778C1 (ru) * 2012-10-08 2013-11-27 Юлия Алексеевна Щепочкина Бетонная смесь
RU2500640C1 (ru) * 2012-10-08 2013-12-10 Юлия Алексеевна Щепочкина Бетонная смесь
RU2634129C2 (ru) * 2013-09-09 2017-10-24 Халлибертон Энерджи Сервисез, Инк. Уменьшение влияния примесей в цементных композициях с замедленным схватыванием, содержащих пемзу и гашеную известь
AU2013399594B2 (en) * 2013-09-09 2017-02-09 Halliburton Energy Services, Inc. Yielding of hydrated lime in set-delayed and other settable compositions
CN103570844B (zh) * 2013-11-20 2015-12-30 南京工业大学 一种羧乙基韦兰胶的制备方法
CN105176505B (zh) * 2015-06-15 2017-12-05 中国石油天然气集团公司 一种固井用水泥浆稳定剂及其制备方法与应用
EP3568381A4 (en) 2017-01-15 2021-06-09 Butler, Michael, George DEVICES AND SYSTEMS AND METHODS FOR CREATING AND PLACING PUMPABLE CONCRETE WITH ZERO-SETTING
CN108840631B (zh) * 2018-08-16 2021-03-19 广东基业长青建筑科技有限公司 一种蒸压加气混凝土墙体用砌筑砂浆组合包及其制备方法和使用方法
CA3126547A1 (en) 2019-01-18 2020-07-23 Cp Kelco U.S., Inc. Prebiotic composition and its use

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526674A (en) * 1943-07-05 1950-10-24 Nat Lead Co Well cementing composition
NL147114B (nl) * 1964-04-27 1975-09-15 Martin Marietta Corp Werkwijze ter bereiding van hydraulische cement bevattende samenstellingen, die uit glucose-eenheden opgebouwde sacchariden bevat, alsmede werkwijze ter bereiding van een toevoegingspreparaat voor het bereiden van deze samenstellingen en de voorwerpen en constructies verkregen door vormen en verharden van deze samenstellingen.
GB1425822A (en) * 1972-01-28 1976-02-18 Fosroc Ag Cementitious compositions
JPS6018615B2 (ja) * 1976-03-10 1985-05-11 花王株式会社 水硬性セメント組成物
US4095987A (en) * 1976-12-29 1978-06-20 Texaco Inc. Method of and composition for cementing oil wells
US4342866A (en) * 1979-09-07 1982-08-03 Merck & Co., Inc. Heteropolysaccharide S-130
US4963668A (en) * 1987-05-07 1990-10-16 Merck & Co., Inc. Welan gum in cement compositions
DE3877411T2 (de) * 1987-05-07 1993-06-24 Merck & Co Inc Welan-gummi in zementzusammensetzungen.

Also Published As

Publication number Publication date
DK0505096T3 (da) 1996-07-29
AU646327B2 (en) 1994-02-17
EP0505096A3 (en) 1992-10-28
NZ241937A (en) 1993-04-28
CA2063087C (en) 2002-05-21
MX9201225A (es) 1993-01-01
KR920018229A (ko) 1992-10-21
JPH05148304A (ja) 1993-06-15
EP0505096B1 (en) 1996-06-26
GR3020872T3 (en) 1996-11-30
DE69211735D1 (de) 1996-08-01
US5175277A (en) 1992-12-29
AU1302092A (en) 1992-09-24
NO301845B1 (no) 1997-12-15
FI921182A0 (fi) 1992-03-19
CN1067268A (zh) 1992-12-23
FI921182A (fi) 1992-09-21
NO921076L (no) 1992-09-21
JPH0689043B2 (ja) 1994-11-09
ATE139797T1 (de) 1996-07-15
EP0505096A2 (en) 1992-09-23
RU2119923C1 (ru) 1998-10-10
HK1007169A1 (en) 1999-04-01
ZA922013B (en) 1992-11-25
IE920876A1 (en) 1992-09-23
KR100218206B1 (ko) 1999-10-01
ES2088539T3 (es) 1996-08-16
DE69211735T2 (de) 1996-11-28
CN1047582C (zh) 1999-12-22
BR9200972A (pt) 1992-11-17
NO921076D0 (no) 1992-03-19
CA2063087A1 (en) 1992-09-21

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