BR8805462A - Processo aperfeicoado para a preparacao de um ciclobutareno - Google Patents

Processo aperfeicoado para a preparacao de um ciclobutareno

Info

Publication number: BR8805462A
Authority: BR; Brazil
Prior art keywords: cyclobutarene; preparation; perfect process; pyrolyzing; perfect
Prior art date: 1987-10-23

Application number

BR8805462A

Other languages

English (en)

Inventor

George J Quarderer

Fred C Stone

Mark J Beitz

Patrick M O'donnell

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.)

1987-10-23

Filing date

1988-10-21

Publication date

1989-07-04

1988-10-21 Application filed by Dow Chemical Co filed Critical Dow Chemical Co

1989-07-04 Publication of BR8805462A publication Critical patent/BR8805462A/pt

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C13/00—Cyclic hydrocarbons containing rings other than, or in addition to, six-membered aromatic rings
- C07C13/28—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof
- C07C13/32—Polycyclic hydrocarbons or acyclic hydrocarbon derivatives thereof with condensed rings
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/26—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only halogen atoms as hetero-atoms
- C07C1/28—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only halogen atoms as hetero-atoms by ring closure
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2602/00—Systems containing two condensed rings
- C07C2602/02—Systems containing two condensed rings the rings having only two atoms in common
- C07C2602/04—One of the condensed rings being a six-membered aromatic ring
- C07C2602/06—One of the condensed rings being a six-membered aromatic ring the other ring being four-membered

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

BR8805462A 1987-10-23 1988-10-21 Processo aperfeicoado para a preparacao de um ciclobutareno BR8805462A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/111,895 US4851603A (en)	1987-10-23	1987-10-23	Preparation of cyclobutarenes via the steam pyrolysis of aromatic derivatives

Publications (1)

Publication Number	Publication Date
BR8805462A true BR8805462A (pt)	1989-07-04

Family

ID=22341013

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8805462A BR8805462A (pt)	1987-10-23	1988-10-21	Processo aperfeicoado para a preparacao de um ciclobutareno

Country Status (12)

Country	Link
US (1)	US4851603A (pt)
EP (1)	EP0313077B1 (pt)
JP (1)	JP2620963B2 (pt)
KR (1)	KR960008635B1 (pt)
AT (1)	ATE78012T1 (pt)
AU (1)	AU605075B2 (pt)
BR (1)	BR8805462A (pt)
CA (1)	CA1313682C (pt)
DE (1)	DE3872652T2 (pt)
ES (1)	ES2032925T3 (pt)
MY (1)	MY103437A (pt)
NZ (1)	NZ226591A (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5003123A (en) *	1988-06-23	1991-03-26	Shell Oil Company	Process for the preparation of cyclobutenoarenes
US4935571A (en) *	1988-08-31	1990-06-19	Shell Oil Company	Process for the purification of cyclobutenoarenes
US5232970A (en) *	1990-08-31	1993-08-03	The Dow Chemical Company	Ceramic-filled thermally-conductive-composites containing fusible semi-crystalline polyamide and/or polybenzocyclobutenes for use in microelectronic applications
CN109422604B (zh) *	2017-08-25	2021-12-07	浙江工业大学	一种合成菲及其衍生物的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4544782A (en) *	1984-02-01	1985-10-01	The Regents Of The University Of California	Thermal styrene formation in the presence of O2
US4570011A (en) *	1984-05-21	1986-02-11	The Dow Chemical Company	Preparation of cyclobutene substituted aromatic hydrocarbons
US4540763A (en) *	1984-09-14	1985-09-10	The Dow Chemical Company	Polymers derived from poly(arylcyclobutenes)

1987
- 1987-10-23 US US07/111,895 patent/US4851603A/en not_active Expired - Lifetime
1988
- 1988-10-17 CA CA000580352A patent/CA1313682C/en not_active Expired - Fee Related
- 1988-10-17 NZ NZ226591A patent/NZ226591A/en unknown
- 1988-10-19 AU AU23986/88A patent/AU605075B2/en not_active Ceased
- 1988-10-21 BR BR8805462A patent/BR8805462A/pt not_active IP Right Cessation
- 1988-10-21 DE DE8888117585T patent/DE3872652T2/de not_active Expired - Lifetime
- 1988-10-21 EP EP88117585A patent/EP0313077B1/en not_active Expired - Lifetime
- 1988-10-21 KR KR1019880013736A patent/KR960008635B1/ko not_active IP Right Cessation
- 1988-10-21 AT AT88117585T patent/ATE78012T1/de not_active IP Right Cessation
- 1988-10-21 MY MYPI88001201A patent/MY103437A/en unknown
- 1988-10-21 ES ES198888117585T patent/ES2032925T3/es not_active Expired - Lifetime
- 1988-10-24 JP JP63266280A patent/JP2620963B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0313077A2 (en)	1989-04-26
AU2398688A (en)	1989-04-27
EP0313077B1 (en)	1992-07-08
NZ226591A (en)	1990-04-26
JPH01146830A (ja)	1989-06-08
KR890006549A (ko)	1989-06-14
KR960008635B1 (ko)	1996-06-28
DE3872652D1 (de)	1992-08-13
MY103437A (en)	1993-06-30
DE3872652T2 (de)	1992-12-10
JP2620963B2 (ja)	1997-06-18
ATE78012T1 (de)	1992-07-15
CA1313682C (en)	1993-02-16
AU605075B2 (en)	1991-01-03
US4851603A (en)	1989-07-25
EP0313077A3 (en)	1989-06-07
ES2032925T3 (es)	1993-03-01

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Legal Events

Date	Code	Title	Description
1995-06-20	FF	Decision: intention to grant
1995-10-31	KD	Notifcation of receipt (letter patent)
1996-01-30	FG	Letter patent granted
2008-09-02	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 21/10/2003