ES442868A1 - Procedimiento de obtencion de un catalizador de xerogel de acido silicicontrioxido cromico. - Google Patents

Procedimiento de obtencion de un catalizador de xerogel de acido silicicontrioxido cromico.

Info

Publication number
ES442868A1
ES442868A1 ES442868A ES442868A ES442868A1 ES 442868 A1 ES442868 A1 ES 442868A1 ES 442868 A ES442868 A ES 442868A ES 442868 A ES442868 A ES 442868A ES 442868 A1 ES442868 A1 ES 442868A1
Authority
ES
Spain
Prior art keywords
xerogel
silicic
stage
chromium trioxide
solution
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
Application number
ES442868A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of ES442868A1 publication Critical patent/ES442868A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • 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
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Polymerization Catalysts (AREA)
ES442868A 1974-11-23 1975-11-21 Procedimiento de obtencion de un catalizador de xerogel de acido silicicontrioxido cromico. Expired ES442868A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742455535 DE2455535A1 (de) 1974-11-23 1974-11-23 Verfahren zum herstellen von olefinpolymerisaten

Publications (1)

Publication Number Publication Date
ES442868A1 true ES442868A1 (es) 1977-04-01

Family

ID=5931569

Family Applications (1)

Application Number Title Priority Date Filing Date
ES442868A Expired ES442868A1 (es) 1974-11-23 1975-11-21 Procedimiento de obtencion de un catalizador de xerogel de acido silicicontrioxido cromico.

Country Status (9)

Country Link
US (1) US4042770A (es)
JP (1) JPS5174076A (es)
AT (1) AT339041B (es)
BE (1) BE835819A (es)
DE (1) DE2455535A1 (es)
ES (1) ES442868A1 (es)
FR (1) FR2291985A1 (es)
GB (1) GB1519606A (es)
IT (1) IT1049915B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2604549A1 (de) * 1976-02-06 1977-08-11 Basf Ag Verfahren zum herstellen von olefinpolymerisaten
US4081407A (en) * 1976-03-18 1978-03-28 Phillips Petroleum Company Catalyst support prepared by alcohol treatment of hydrogels
US4206297A (en) * 1977-04-25 1980-06-03 Chemplex Company Polymerization catalysts and methods
US4177162A (en) * 1977-12-05 1979-12-04 Phillips Petroleum Company Sulfiding and reoxidation of chromium catalyst
US4169926A (en) * 1978-01-16 1979-10-02 Phillips Petroleum Company Inorganic hydrogels and uses thereof
US4299731A (en) * 1980-02-06 1981-11-10 Phillips Petroleum Company Large pore volume olefin polymerization catalysts
US4384086A (en) * 1980-02-06 1983-05-17 Phillips Petroleum Company Large pore volume olefin polymerization catalysts
DE3634534A1 (de) * 1986-10-10 1988-04-14 Basf Ag Verfahren zum herstellen von homo- sowie copolymerisaten des ethens mittels eines chromtrioxid-katalysators
DE4134146A1 (de) * 1991-10-16 1993-04-22 Basf Ag Phillips-katalysator und seine verwendung zur herstellung von ethylenhomopolymerisaten und -copolymerisaten
DE4231749A1 (de) * 1992-09-23 1994-03-24 Basf Ag Verfahren zur Herstellung eines Trägerkatalysators für die Polymerisation von alpha-Olefinen
US5541304A (en) * 1994-05-02 1996-07-30 Hercules Incorporated Crosslinked hydrogel compositions with improved mechanical performance
DE4422912A1 (de) * 1994-06-30 1996-01-11 Hoechst Ag Xerogele, Verfahren zu ihrer Herstellung, sowie ihre Verwendung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652216A (en) * 1968-10-11 1972-03-28 Nat Petro Chemicals Co Inc Preparation of silica gels
US3900457A (en) * 1970-10-08 1975-08-19 Phillips Petroleum Co Olefin polymerization catalyst
US3960826A (en) * 1973-07-27 1976-06-01 National Petro Chemicals Corporation Olefin polymerization process

Also Published As

Publication number Publication date
US4042770A (en) 1977-08-16
BE835819A (fr) 1976-05-21
JPS5174076A (es) 1976-06-26
IT1049915B (it) 1981-02-10
ATA887775A (de) 1977-01-15
FR2291985B1 (es) 1980-01-04
FR2291985A1 (fr) 1976-06-18
DE2455535A1 (de) 1976-05-26
AT339041B (de) 1977-09-26
GB1519606A (en) 1978-08-02

Similar Documents

Publication Publication Date Title
ES442868A1 (es) Procedimiento de obtencion de un catalizador de xerogel de acido silicicontrioxido cromico.
PL311674A1 (en) Method of obtaining a catalyst carrier, catalyst for polymerisation of olefins and method of polymerising olefins in presence of such catalyst
NO135199B (es)
ES370489A1 (es) Metodo para la preparacion de geles de silice.
ES445959A1 (es) Procedimiento para preparar dioxido de silicio precipitado de alta estructura amorfo y finamente dividido.
GB1492428A (en) Preparation of particulate cross-linked polymers
GB1155523A (en) A Process for the Production of Finely Divided Organically Modified Silicas
GB1236775A (en) Process for the production of modified silica and silicates
GB1129980A (en) Alumina agglomerates
PT73314B (fr) Procede pour la fabrication de l'acide beta-hydroxybutyrique etde ses oligocondensats
GB1275171A (en) Improvements in or relating to dehydration catalysts
ES445718A1 (es) Procedimiento para la obtencion de polimerizados olefinicos.
IE36736L (en) Preparation of solid aluminium phosphate by spray drying;¹refractory binders
GB1365516A (en) Process for the preparation of silica granulates
US2521113A (en) Process for the synthesis of vinyl esters of carboxylic acids
SU592347A3 (ru) Способ получени алюмофосфатных св зующих
US3640933A (en) Preparation of polyacrolein-sodium bisulfite adduct
FR2264039A1 (en) Olefin polymn. catalyst giving narrow particle size range - comprises silica xerogel-chromium trioxide
SU461925A1 (ru) Способ получени 3,3,8,8-тетраметил2,7-диоксаспиро (4,4) нонан-1,6диона
SU149570A1 (ru) Способ получени сильнокислотного катионита
González et al. Hydrolysis kinetics of the acid and base species of oxacillin in aqueous solution
GB448125A (en) Improvements in or relating to the production of silicic acid gels
GB1094252A (en) Process for the production of gels from polyacroleins
BE745102A (fr) Procede de production de cires en chaine droite par polymerisation catalytique de l'ethylene
GB1257887A (es)

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19941222