CA1013900A - Process for manufacture of high bulk density powders of olefin polymers - Google Patents

Process for manufacture of high bulk density powders of olefin polymers

Info

Publication number: CA1013900A
Authority: CA; Canada
Prior art keywords: manufacture; bulk density; olefin polymers; high bulk; density powders
Prior art date: 1971-02-16
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

CA204,781A

Other languages

English (en)

Other versions

CA204781S (en

Inventor

Gordon Y.T. Liu

Donald R. Smith

Robert D. Bridges

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.)

Dow Chemical Co

Original Assignee

Dow Chemical 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.)

1971-02-16

Filing date

1974-07-15

Publication date

1977-07-12

1971-02-16 Priority to US115881A priority Critical patent/US3907760A/en

1974-07-15 Application filed by Dow Chemical Co filed Critical Dow Chemical Co

1974-07-15 Priority to CA204,781A priority patent/CA1013900A/en

1974-07-22 Priority to GB3239874A priority patent/GB1465414A/en

1974-07-26 Priority to NL7410095A priority patent/NL7410095A/xx

1974-07-29 Priority to JP49086823A priority patent/JPS5114990A/ja

1974-08-05 Priority claimed from FR7427158A external-priority patent/FR2281379A1/fr

1974-08-06 Priority to DE2437884A priority patent/DE2437884A1/de

1974-08-08 Priority to BR6536/74A priority patent/BR7406536A/pt

1974-08-14 Priority to BE147651A priority patent/BE818896A/fr

1977-07-12 Application granted granted Critical

1977-07-12 Publication of CA1013900A publication Critical patent/CA1013900A/en

Status 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)

CA204,781A 1971-02-16 1974-07-15 Process for manufacture of high bulk density powders of olefin polymers Expired CA1013900A (en)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
US115881A US3907760A (en)	1971-02-16	1971-02-16	Process for manufacture of high bulk density powders of olefin polymers
CA204,781A CA1013900A (en)	1971-02-16	1974-07-15	Process for manufacture of high bulk density powders of olefin polymers
GB3239874A GB1465414A (en)	1971-02-16	1974-07-22	Process for manufacture of high bulk density powders of olefin polymers
NL7410095A NL7410095A (nl)	1971-02-16	1974-07-26	Werkwijze voor de bereiding van een poeder met een hoge massa dichtheid uit een normaliter vast lineair olefinepolymeer.
JP49086823A JPS5114990A (en)	1971-02-16	1974-07-29	Kosumitsudoorefuinhorimaafunmatsuno seizoho
DE2437884A DE2437884A1 (de)	1971-02-16	1974-08-06	Verfahren zur herstellung eines pulverfoermigen, normalerweise festen linearen olefinpolymeren mit hoher schuettdichte
BR6536/74A BR7406536A (pt)	1971-02-16	1974-08-08	Processo para produzir um po de alta densidade aparente de um polimero de olefina linear
BE147651A BE818896A (fr)	1971-02-16	1974-08-14	Procede pour la fabrication de poudres de densite apparente elevee de polyolefines

Applications Claiming Priority (8)

Application Number	Priority Date	Filing Date	Title
US115881A US3907760A (en)	1971-02-16	1971-02-16	Process for manufacture of high bulk density powders of olefin polymers
CA204,781A CA1013900A (en)	1971-02-16	1974-07-15	Process for manufacture of high bulk density powders of olefin polymers
GB3239874A GB1465414A (en)	1971-02-16	1974-07-22	Process for manufacture of high bulk density powders of olefin polymers
NL7410095A NL7410095A (nl)	1971-02-16	1974-07-26	Werkwijze voor de bereiding van een poeder met een hoge massa dichtheid uit een normaliter vast lineair olefinepolymeer.
JP49086823A JPS5114990A (en)	1971-02-16	1974-07-29	Kosumitsudoorefuinhorimaafunmatsuno seizoho
FR7427158A FR2281379A1 (fr)	1971-02-16	1974-08-05	Procede pour la fabrication de poudres de densite apparente elevee de polyolefines
DE2437884A DE2437884A1 (de)	1971-02-16	1974-08-06	Verfahren zur herstellung eines pulverfoermigen, normalerweise festen linearen olefinpolymeren mit hoher schuettdichte
BR6536/74A BR7406536A (pt)	1971-02-16	1974-08-08	Processo para produzir um po de alta densidade aparente de um polimero de olefina linear

Publications (1)

Publication Number	Publication Date
CA1013900A true CA1013900A (en)	1977-07-12

Family

ID=27570191

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA204,781A Expired CA1013900A (en)	1971-02-16	1974-07-15	Process for manufacture of high bulk density powders of olefin polymers

Country Status (8)

Country	Link
US (1)	US3907760A (fr)
JP (1)	JPS5114990A (fr)
BE (1)	BE818896A (fr)
BR (1)	BR7406536A (fr)
CA (1)	CA1013900A (fr)
DE (1)	DE2437884A1 (fr)
GB (1)	GB1465414A (fr)
NL (1)	NL7410095A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2405961A1 (fr) *	1977-10-12	1979-05-11	Naphtachimie Sa	Procede de copolymerisation d'olefines en phase gazeuse en presence d'un lit fluidise de copolymere et d'un catalyseur contenant du titane et du magnesium
JPS5898315A (ja) *	1981-12-07	1983-06-11	Chisso Corp	ポリオレフイン共重合体の粉体流動性改良法
JPS58156595U (ja) *	1982-04-08	1983-10-19	三菱重工業株式会社	曝気槽
ES2393382T3 (es) *	2008-06-26	2012-12-20	Borealis Ag	Preparación de catalizador usando H2

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3058963A (en) *	1955-04-07	1962-10-16	Hercules Powder Co Ltd	Process for polymerizing olefins
US3271381A (en) *	1958-09-15	1966-09-06	Monsanto Co	Polymerization of olefins by use of modified catalysts

1971
- 1971-02-16 US US115881A patent/US3907760A/en not_active Expired - Lifetime
1974
- 1974-07-15 CA CA204,781A patent/CA1013900A/en not_active Expired
- 1974-07-22 GB GB3239874A patent/GB1465414A/en not_active Expired
- 1974-07-26 NL NL7410095A patent/NL7410095A/xx not_active Application Discontinuation
- 1974-07-29 JP JP49086823A patent/JPS5114990A/ja active Pending
- 1974-08-06 DE DE2437884A patent/DE2437884A1/de not_active Withdrawn
- 1974-08-08 BR BR6536/74A patent/BR7406536A/pt unknown
- 1974-08-14 BE BE147651A patent/BE818896A/fr unknown

Also Published As

Publication number	Publication date
BE818896A (fr)	1975-02-14
US3907760A (en)	1975-09-23
BR7406536A (pt)	1976-03-30
GB1465414A (en)	1977-02-23
DE2437884A1 (de)	1976-02-19
JPS5114990A (en)	1976-02-05
NL7410095A (nl)	1976-01-28

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