BR9606204A - Processo para a preparação de pentaeritritol - Google Patents

Processo para a preparação de pentaeritritol

Info

Publication number
BR9606204A
BR9606204A BR9606204A BR9606204A BR9606204A BR 9606204 A BR9606204 A BR 9606204A BR 9606204 A BR9606204 A BR 9606204A BR 9606204 A BR9606204 A BR 9606204A BR 9606204 A BR9606204 A BR 9606204A
Authority
BR
Brazil
Prior art keywords
pentaerythritol
preparation
Prior art date
Application number
BR9606204A
Other languages
English (en)
Inventor
Lluis Eek
Original Assignee
Patentes Novedades Sa
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 Patentes Novedades Sa filed Critical Patentes Novedades Sa
Publication of BR9606204A publication Critical patent/BR9606204A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
    • C07C31/18—Polyhydroxylic acyclic alcohols
    • C07C31/24—Tetrahydroxylic alcohols, e.g. pentaerythritol
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/36—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal
    • C07C29/38—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring increasing the number of carbon atoms by reactions with formation of hydroxy groups, which may occur via intermediates being derivatives of hydroxy, e.g. O-metal by reaction with aldehydes or ketones
BR9606204A 1996-05-22 1996-12-27 Processo para a preparação de pentaeritritol BR9606204A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES009601129A ES2128936B1 (es) 1996-05-22 1996-05-22 Procedimiento para la obtencion de pentaeritritol.

Publications (1)

Publication Number Publication Date
BR9606204A true BR9606204A (pt) 1998-08-25

Family

ID=8294888

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9606204A BR9606204A (pt) 1996-05-22 1996-12-27 Processo para a preparação de pentaeritritol

Country Status (15)

Country Link
US (1) US5741956A (pt)
JP (1) JP3143693B2 (pt)
KR (1) KR100243985B1 (pt)
CN (1) CN1195719C (pt)
AU (1) AU710203B2 (pt)
BR (1) BR9606204A (pt)
CA (1) CA2191018C (pt)
ES (1) ES2128936B1 (pt)
ID (1) ID16751A (pt)
MX (1) MX9606530A (pt)
MY (1) MY115883A (pt)
NZ (1) NZ299834A (pt)
SA (1) SA96170503B1 (pt)
SG (1) SG89242A1 (pt)
ZA (1) ZA9610068B (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100457701C (zh) * 2005-06-28 2009-02-04 湖北宜化化工股份有限公司 利用高温缩合和串级重结晶分离制备单、双季戊四醇及其副产品的方法
CN100368371C (zh) * 2005-09-29 2008-02-13 濮阳市鹏鑫化工有限公司 制备甲酸钙的方法
SE528572C2 (sv) * 2006-02-03 2006-12-19 Perstorp Specialty Chem Ab Förfarande för framställning av monopentaerytritol med hög renhet samt monopentaerytritol framställd enligt förfarandet
JP5415925B2 (ja) 2009-03-02 2014-02-12 オリンパス株式会社 内視鏡
US8747297B2 (en) 2009-03-02 2014-06-10 Olympus Corporation Endoscopic heart surgery method
JP5567840B2 (ja) 2009-09-22 2014-08-06 オリンパス株式会社 細胞注入デバイス
WO2011037068A1 (ja) 2009-09-22 2011-03-31 オリンパス株式会社 空間確保デバイス
CN102432431A (zh) * 2011-11-07 2012-05-02 贵州金江化工有限公司 提高单季戊四醇产率的方法
CN108640817A (zh) * 2018-06-19 2018-10-12 濮阳市永安化工有限公司 季戊四醇粗品中去除甲缩醛的装置及其生产方法
SE542625C2 (en) * 2018-09-28 2020-06-23 Perstorp Ab Process for production of Pentaerythritol with an increased yield of Di-Pentaerythritol
CN112479816A (zh) * 2020-11-30 2021-03-12 安徽金禾实业股份有限公司 一种季戊四醇连续缩合方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790836A (en) * 1953-05-21 1957-04-30 Celanese Corp Continuous production of pentaerythritol
GB799182A (en) * 1956-04-23 1958-08-06 Hercules Powder Co Ltd Improvements in or relating to purification of pentaerythritol
US2978514A (en) * 1957-12-09 1961-04-04 Canadian Chemical Company Ltd Separation of pentaerythritol and dipentaerythritol from solution
DE1153739B (de) * 1958-12-15 1963-09-05 Meissner Fa Josef Verfahren und Vorrichtung zur Herstellung von hoeheren mehrwertigen Alkoholen
DE1162824B (de) * 1962-01-19 1964-02-13 Fa. Josef Meissner, Köln-Bayenthal Verfahren zur Herstellung von Pentaerythrit und Dipentaerythrit durch Kondensation von Formaldehyd und Acetaldehyd.
DE1162825B (de) * 1962-01-26 1964-02-13 Fa. Josef Meissner, Köln-Bayenthal Verfahren zur Gewinnung von Pentaerythrit durch Spalten von Acetalen.
GB1240254A (en) * 1968-03-02 1971-07-21 Koei Chemical Co Improved process for the continuous production of pentaerythritol
US3975450A (en) * 1974-09-03 1976-08-17 Eastman Kodak Company Process for the preparation of polyhydric alcohols
US4083931A (en) * 1976-08-23 1978-04-11 Industrial Sales And Factoring Corporation Process for treating aldol-condensation polyol waste liquor
US4105575A (en) * 1976-10-12 1978-08-08 Imc Chemical Group, Inc. Partial resolution of pentaerythritol waste liquors
ES467714A3 (es) * 1978-03-09 1978-10-16 Patentes Novedades Sa Procedimiento para la fabricacion de pentaeritrita.
US4328366A (en) * 1980-02-25 1982-05-04 Virginia Chemicals Inc. Treatment of waste stream from pentaerythritol production
US4277620A (en) * 1980-02-29 1981-07-07 Virginia Chemicals Inc. Byproduct recovery from a pentaerythritol waste stream
IT1136630B (it) * 1981-05-22 1986-09-03 Montedison Spa Metodo per il recupero di pentaeritritolo da miscele residue della sintesi da acetaldeide e formaldeide
US4612389A (en) * 1981-11-18 1986-09-16 Virginia Chemicals Inc. Treatment of waste stream from pentaerythritol manufacture

Also Published As

Publication number Publication date
MY115883A (en) 2003-09-30
MX9606530A (es) 1997-08-30
KR100243985B1 (ko) 2000-02-01
JPH09309848A (ja) 1997-12-02
SG89242A1 (en) 2002-06-18
ZA9610068B (en) 1997-06-17
CA2191018A1 (en) 1997-11-22
CN1195719C (zh) 2005-04-06
AU710203B2 (en) 1999-09-16
AU7407396A (en) 1997-11-27
ES2128936B1 (es) 2000-01-16
JP3143693B2 (ja) 2001-03-07
SA96170503B1 (ar) 2006-07-30
US5741956A (en) 1998-04-21
ID16751A (id) 1997-11-06
CA2191018C (en) 2006-03-14
NZ299834A (en) 1997-10-24
ES2128936A1 (es) 1999-05-16
KR970074736A (ko) 1997-12-10
CN1165804A (zh) 1997-11-26

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Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 27/12/1996, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]