ZA907987B - Preparation of piperazinones for use as sulfur dioxide absorbents - Google Patents

Preparation of piperazinones for use as sulfur dioxide absorbents

Info

Publication number: ZA907987B
Authority: ZA; South Africa
Prior art keywords: piperazinones; preparation; sulfur dioxide; dioxide absorbents; absorbents
Prior art date: 1989-10-06

Application number

ZA907987A

Other languages

English (en)

Inventor

Steven H Christiansen

H Christiansen Steven

Dane Chang

Chang Dane

David A Wilson

A Wilson David

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.)

1989-10-06

Filing date

1990-10-05

Publication date

1992-06-24

1990-10-05 Application filed by Dow Chemical Co filed Critical Dow Chemical Co

1992-06-24 Publication of ZA907987B publication Critical patent/ZA907987B/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
- C07D241/06—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members
- C07D241/08—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having one or two double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Gas Separation By Absorption (AREA)
Treating Waste Gases (AREA)
Hydrogenated Pyridines (AREA)

ZA907987A 1989-10-06 1990-10-05 Preparation of piperazinones for use as sulfur dioxide absorbents ZA907987B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/418,292 US4980471A (en)	1989-10-06	1989-10-06	Preparation of piperazinones for use as sulfur dioxide absorbents

Publications (1)

Publication Number	Publication Date
ZA907987B true ZA907987B (en)	1992-06-24

Family

ID=23657506

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA907987A ZA907987B (en)	1989-10-06	1990-10-05	Preparation of piperazinones for use as sulfur dioxide absorbents

Country Status (12)

Country	Link
US (1)	US4980471A (xx)
EP (1)	EP0421794A3 (xx)
JP (1)	JPH03135966A (xx)
CN (1)	CN1050870A (xx)
AU (1)	AU6385390A (xx)
BR (1)	BR9005109A (xx)
CA (1)	CA2027107A1 (xx)
NO (1)	NO904336L (xx)
RO (1)	RO106738B1 (xx)
RU (1)	RU2036910C1 (xx)
YU (1)	YU187490A (xx)
ZA (1)	ZA907987B (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5108723A (en) *	1990-08-16	1992-04-28	The Dow Chemical Company	Process for absorption of sulfur compounds from fluids
CA2049244A1 (en) *	1990-08-16	1992-02-17	Steven H. Christiansen	Process for absorption of sulfur compounds from fluids using heterocyclic compounds having at least one ring nitrogen atom
US5208363A (en) *	1990-10-15	1993-05-04	The Dow Chemical Company	Preparation of aminonitriles
US5191081A (en) *	1991-12-12	1993-03-02	W. R. Grace & Co.-Conn.	1-cyanomethyl-4-carboxymethyl-3-ketopiperazine, salts thereof and process for their preparation
US6461872B1 (en) *	1999-11-17	2002-10-08	General Electric Company	Poly(1,4-ethylene-2-piperazone) composition, method for production of a poly(1,4-ethylene-2-piperazone) composition, TCE-detecting method and sensor
CN115646137A (zh) *	2022-10-26	2023-01-31	北京北大先锋科技股份有限公司	一种有效减小发泡问题的有机胺脱硫剂

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2633467A (en) *	1952-02-08	1953-03-31	Rohm & Haas	N-hydroxyalkyl-2-ketopiperazines
US2649450A (en) *	1952-02-08	1953-08-18	Rohm & Hass Company	Preparation of 1,4-dialkyl-2-ketopiperazines
US2700668A (en) *	1952-02-08	1955-01-25	Rohm & Haas	Preparation of ketopiperazines
US4167512A (en) *	1977-09-21	1979-09-11	The B. F. Goodrich Company	Synthesis of 2-keto-1,4-diazacycloalkanes
US4170650A (en) *	1978-05-22	1979-10-09	The Dow Chemical Company	Oxopiperazinium salts, their preparation and their use
DE3119077A1 (de) *	1981-05-14	1982-12-02	Basf Ag, 6700 Ludwigshafen	Heterocyclische dihalogenacetmide, verfahren zu ihrer herstellung und herbizide mittel, die acetanilide als herbizide wirkstoffe und diese dihalogenacetamine als antagonistische mittel enthalten
US4530704A (en) *	1983-12-19	1985-07-23	The Dow Chemical Company	Selective absorption of SO2 from gases containing the same
US4767860A (en) *	1986-10-14	1988-08-30	The Dow Chemical Company	Preparation of N-substituted piperazinones
US4814443A (en) *	1987-08-13	1989-03-21	The Dow Chemical Company	Preparation of hydroxyalkylpiperazinones by reacting glyoxal with hydroxyalkyldiamines
US4783327A (en) *	1987-08-13	1988-11-08	The Dow Chemical Company	Sulfur dioxide removal from gas streams using hydroxyalkyl substituted piperazinones

1989
- 1989-10-06 US US07/418,292 patent/US4980471A/en not_active Expired - Fee Related
1990
- 1990-10-04 RO RO146062A patent/RO106738B1/ro unknown
- 1990-10-04 YU YU187490A patent/YU187490A/sh unknown
- 1990-10-04 EP EP19900310892 patent/EP0421794A3/en not_active Withdrawn
- 1990-10-05 ZA ZA907987A patent/ZA907987B/xx unknown
- 1990-10-05 JP JP2266516A patent/JPH03135966A/ja active Pending
- 1990-10-05 RU SU904831352A patent/RU2036910C1/ru active
- 1990-10-05 BR BR909005109A patent/BR9005109A/pt unknown
- 1990-10-05 CA CA002027107A patent/CA2027107A1/en not_active Abandoned
- 1990-10-05 AU AU63853/90A patent/AU6385390A/en not_active Abandoned
- 1990-10-05 CN CN90108255A patent/CN1050870A/zh active Pending
- 1990-10-05 NO NO90904336A patent/NO904336L/no unknown

Also Published As

Publication number	Publication date
NO904336D0 (no)	1990-10-05
AU6385390A (en)	1991-05-30
JPH03135966A (ja)	1991-06-10
EP0421794A2 (en)	1991-04-10
NO904336L (no)	1991-04-08
CA2027107A1 (en)	1991-04-07
RO106738B1 (ro)	1993-06-30
RU2036910C1 (ru)	1995-06-09
CN1050870A (zh)	1991-04-24
US4980471A (en)	1990-12-25
YU187490A (sh)	1992-09-07
EP0421794A3 (en)	1991-12-11
BR9005109A (pt)	1991-09-17

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GB2133694B (en)	1986-09-24	Retraction for surgical purposes
GB2225940B (en)	1993-10-20	Center fold play yard
EP0419733A3 (en)	1991-09-18	Cigarette
OA09515A (en)	1992-11-15	Improved sulfur dioxide generator
GB8424685D0 (en)	1984-11-07	Absorbent surgical dressing
GB2137932B (en)	1986-06-18	Absorbent tissue
GB8428666D0 (en)	1984-12-19	Surgical instrument
GB8819233D0 (en)	1988-09-14	Container of solid composition for use as hot-melt
DE69131284D1 (de)	1999-07-08	Sekretionskörper enthaltende Zusammensetzung
ZA907987B (en)	1992-06-24	Preparation of piperazinones for use as sulfur dioxide absorbents
ZA896152B (en)	1990-08-29	Synthetic derivative of paraherquamide
EP0425809A3 (en)	1991-11-13	Procedure for the determination of the behaviour of permeation
PH23895A (en)	1989-12-18	Desulfurization of gypsum
AU7923787A (en)	1988-04-14	Preparation of sulphur dioxide
EP0262849A3 (en)	1989-08-30	Desulphurisation
GB8713004D0 (en)	1987-07-08	Dedusting & desulfurizing gases
NZ220100A (en)	1990-03-27	Benzothiazinones as calcium antagonists
DE68926505D1 (de)	1996-06-20	CO2-Absorptionsmittel
GB8710500D0 (en)	1987-06-03	Absorbent tampons
EP0432514A3 (en)	1992-03-04	Absorbent object
GB8600574D0 (en)	1986-02-19	Desulphurisation
GB8704150D0 (en)	1987-04-01	Absorbent band
IE882851L (en)	1989-03-21	Absorbent hydrates
GB8805772D0 (en)	1988-04-13	Formula for treatment of burns
CS307888A1 (en)	1990-05-14	Sorbent for combustion products' dry desulphurization