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IT1066619B - PROCEDURE FOR THE TEMPORARY DEACTIVATION OF CATALYSTS FOR THE POLYMERIZATION OF OLEFINS AND PROMOTER USED FOR REACTIVATION - Google Patents

PROCEDURE FOR THE TEMPORARY DEACTIVATION OF CATALYSTS FOR THE POLYMERIZATION OF OLEFINS AND PROMOTER USED FOR REACTIVATION

Info

Publication number
IT1066619B
IT1066619B IT5216476A IT5216476A IT1066619B IT 1066619 B IT1066619 B IT 1066619B IT 5216476 A IT5216476 A IT 5216476A IT 5216476 A IT5216476 A IT 5216476A IT 1066619 B IT1066619 B IT 1066619B
Authority
IT
Italy
Prior art keywords
reactivation
olefins
catalysts
polymerization
procedure
Prior art date
Application number
IT5216476A
Other languages
Italian (it)
Original Assignee
Standard Oil Co
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
Priority claimed from US05/631,954 external-priority patent/US4039472A/en
Application filed by Standard Oil Co filed Critical Standard Oil Co
Application granted granted Critical
Publication of IT1066619B publication Critical patent/IT1066619B/en

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)
IT5216476A 1975-11-14 1976-11-12 PROCEDURE FOR THE TEMPORARY DEACTIVATION OF CATALYSTS FOR THE POLYMERIZATION OF OLEFINS AND PROMOTER USED FOR REACTIVATION IT1066619B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63195675A 1975-11-14 1975-11-14
US05/631,954 US4039472A (en) 1975-11-14 1975-11-14 Increasing the particle size of as formed polyethylene or ethylene copolymer

Publications (1)

Publication Number Publication Date
IT1066619B true IT1066619B (en) 1985-03-12

Family

ID=27091509

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5216476A IT1066619B (en) 1975-11-14 1976-11-12 PROCEDURE FOR THE TEMPORARY DEACTIVATION OF CATALYSTS FOR THE POLYMERIZATION OF OLEFINS AND PROMOTER USED FOR REACTIVATION

Country Status (9)

Country Link
JP (1) JPS5263195A (en)
DE (1) DE2652040A1 (en)
DK (1) DK511976A (en)
FR (1) FR2331571A1 (en)
GB (1) GB1566415A (en)
IE (1) IE43671B1 (en)
IT (1) IT1066619B (en)
LU (1) LU76170A1 (en)
NL (1) NL7612593A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130699A (en) * 1977-11-25 1978-12-19 Standard Oil Company (Indiana) Vapor phase polymerization with temporarily inactive titanium catalyst
US4394291A (en) 1981-03-04 1983-07-19 Phillips Petroleum Company Polyolefin polymerization process and catalyst

Also Published As

Publication number Publication date
IE43671B1 (en) 1981-04-22
FR2331571B1 (en) 1980-05-16
IE43671L (en) 1977-05-14
DK511976A (en) 1977-05-15
DE2652040A1 (en) 1977-05-18
JPS5263195A (en) 1977-05-25
LU76170A1 (en) 1977-06-03
GB1566415A (en) 1980-04-30
NL7612593A (en) 1977-05-17
FR2331571A1 (en) 1977-06-10

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