ES445718A1 - Procedimiento para la obtencion de polimerizados olefinicos. - Google Patents

Procedimiento para la obtencion de polimerizados olefinicos.

Info

Publication number
ES445718A1
ES445718A1 ES445718A ES445718A ES445718A1 ES 445718 A1 ES445718 A1 ES 445718A1 ES 445718 A ES445718 A ES 445718A ES 445718 A ES445718 A ES 445718A ES 445718 A1 ES445718 A1 ES 445718A1
Authority
ES
Spain
Prior art keywords
xerogel
stage
silicic
chromium
chromium trioxide
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
ES445718A
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 ES445718A1 publication Critical patent/ES445718A1/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

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)
ES445718A 1975-03-04 1976-03-03 Procedimiento para la obtencion de polimerizados olefinicos. Expired ES445718A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2509261A DE2509261C2 (de) 1975-03-04 1975-03-04 Verfahren zum Herstellen von Olefinpolymerisaten durch Polymerisation von C↓2↓- bis C↓8↓-α-Monoolefinen

Publications (1)

Publication Number Publication Date
ES445718A1 true ES445718A1 (es) 1977-05-16

Family

ID=5940374

Family Applications (1)

Application Number Title Priority Date Filing Date
ES445718A Expired ES445718A1 (es) 1975-03-04 1976-03-03 Procedimiento para la obtencion de polimerizados olefinicos.

Country Status (9)

Country Link
US (1) US4048414A (es)
JP (1) JPS51111887A (es)
AT (1) AT346581B (es)
BE (1) BE839095A (es)
DE (1) DE2509261C2 (es)
ES (1) ES445718A1 (es)
FR (1) FR2303027A1 (es)
GB (1) GB1530013A (es)
IT (1) IT1055972B (es)

Families Citing this family (7)

* 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
US4384086A (en) * 1980-02-06 1983-05-17 Phillips Petroleum Company Large pore volume olefin polymerization catalysts
DE102005060771A1 (de) * 2005-12-16 2007-06-21 Basell Polyolefine Gmbh Verfahren zur Herstellung eines Trägers für Olefinpolymerisationskatalysatoren
DE102005060770A1 (de) * 2005-12-16 2007-06-21 Basell Polyolefine Gmbh Verfahren zur Herstellung eines Trägers für Olefinpolymerisationskatalysatoren
WO2007068365A1 (en) * 2005-12-16 2007-06-21 Basell Polyolefine Gmbh Process for preparing a support for olefin polymerization catalysts
US9383087B2 (en) 2014-03-05 2016-07-05 Elite Lighting Adjustable recessed light fixture

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127370A (en) * 1958-05-28 1964-03-31 Method of making fiber-grade polyethylene
US3225023A (en) * 1962-11-30 1965-12-21 Phillips Petroleum Co Process for controlling melt index
US3434912A (en) * 1965-11-22 1969-03-25 Standard Oil Co Self-sustaining,thin,crack-free sheet of inorganic aerogel
US3624063A (en) * 1969-07-10 1971-11-30 Phillips Petroleum Co Ethylene polymerization using catalyst of controlled particle size
US3900457A (en) * 1970-10-08 1975-08-19 Phillips Petroleum Co Olefin polymerization catalyst
US3862104A (en) * 1972-01-07 1975-01-21 Phillips Petroleum Co Large pore silica gel catalysts

Also Published As

Publication number Publication date
ATA156176A (de) 1978-03-15
FR2303027B1 (es) 1980-04-04
DE2509261C2 (de) 1984-03-01
US4048414A (en) 1977-09-13
JPS51111887A (en) 1976-10-02
BE839095A (fr) 1976-09-02
AT346581B (de) 1978-11-10
GB1530013A (en) 1978-10-25
IT1055972B (it) 1982-01-11
DE2509261A1 (de) 1976-09-23
FR2303027A1 (fr) 1976-10-01

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19920205