BR9300387A - Processo para reduzir impurezas de protoanemonina em solucoes aquosas de monomeros - Google Patents

Processo para reduzir impurezas de protoanemonina em solucoes aquosas de monomeros

Info

Publication number
BR9300387A
BR9300387A BR9300387A BR9300387A BR9300387A BR 9300387 A BR9300387 A BR 9300387A BR 9300387 A BR9300387 A BR 9300387A BR 9300387 A BR9300387 A BR 9300387A BR 9300387 A BR9300387 A BR 9300387A
Authority
BR
Brazil
Prior art keywords
protoanemonin
aqueous monomer
propyl
hydrogen
impurses
Prior art date
Application number
BR9300387A
Other languages
English (en)
Inventor
William Bauer Jr
Nelson Ivan Quiros
Original Assignee
Rohm & Haas
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 Rohm & Haas filed Critical Rohm & Haas
Publication of BR9300387A publication Critical patent/BR9300387A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/50—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR9300387A 1992-04-22 1993-01-29 Processo para reduzir impurezas de protoanemonina em solucoes aquosas de monomeros BR9300387A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/872,278 US5208370A (en) 1992-04-22 1992-04-22 Method of reducing impurities in aqueous acrylic monomer solutions

Publications (1)

Publication Number Publication Date
BR9300387A true BR9300387A (pt) 1993-10-26

Family

ID=25359242

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9300387A BR9300387A (pt) 1992-04-22 1993-01-29 Processo para reduzir impurezas de protoanemonina em solucoes aquosas de monomeros

Country Status (7)

Country Link
US (1) US5208370A (pt)
EP (1) EP0567207B1 (pt)
JP (1) JP3359368B2 (pt)
AT (1) ATE156473T1 (pt)
BR (1) BR9300387A (pt)
CA (1) CA2088106A1 (pt)
DE (1) DE69312784T2 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5358611A (en) * 1993-05-17 1994-10-25 Rohm And Haas Company Method of reducing impurities in aqueous monomer solutions
US5571386A (en) * 1994-05-31 1996-11-05 Rohm And Haas Company Process for grade acrylic acid
US5759358A (en) * 1994-05-31 1998-06-02 Rohm And Haas Company Process for pure grade acrylic acid
US6927268B2 (en) 2000-06-21 2005-08-09 Nippon Shokubai Co., Ltd. Production process for water-absorbent resin
TWI529181B (zh) 2005-02-28 2016-04-11 贏創德固賽有限責任公司 以可更新原料為基之吸水聚合物結構及其生產的方法
JP5739600B2 (ja) * 2007-12-17 2015-06-24 三菱レイヨン株式会社 ヒドロキシエチルメタクリレートの製造方法
WO2009133813A1 (ja) * 2008-04-27 2009-11-05 株式会社日本触媒 アクリル酸の製造方法ならびにその製造方法を用いた親水性樹脂の製造方法および吸水性樹脂の製造方法
US9517999B2 (en) 2013-03-15 2016-12-13 Rohm And Haas Company Process for purifying (meth)acrylic acid
US9410217B2 (en) 2014-02-18 2016-08-09 Renmatix, Inc. Method of reducing a fermentation and/or enzyme inhibitor in a saccharide-containing composition

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1307582A (en) * 1969-06-10 1973-02-21 Rohm & Haas Inhibition of polymerization of acrylic acids
US3725208A (en) * 1971-08-20 1973-04-03 Nippon Kayaku Kk Process for purification of acrylic acid from aldehydes by distillation with a reagent
DE2235326A1 (de) * 1972-07-19 1974-02-07 Degussa Verfahren zur reinigung 1,2-ungesaettigter carbonsaeuren
JPS5944337A (ja) * 1982-09-06 1984-03-12 Nippon Shokubai Kagaku Kogyo Co Ltd メタクリル酸の精製方法
JPS6121855A (ja) * 1984-07-06 1986-01-30 ブラザー工業株式会社 ハンガ−コンベアシステム
DE3641996A1 (de) * 1986-12-09 1988-06-16 Basf Ag Verfahren zum abtrennen von aldehyden aus (alpha),(beta)-olefinisch ungesaettigten carbonsaeuren
JPH0729977B2 (ja) * 1986-12-26 1995-04-05 三井東圧化学株式会社 メタクリル酸の精製方法
IN170713B (pt) * 1987-10-09 1992-05-09 Mitsui Toatsu Chemicals
JP3025122B2 (ja) * 1992-12-28 2000-03-27 キヤノン株式会社 光起電力素子及び発電システム
JP3062018B2 (ja) * 1994-11-11 2000-07-10 新日本製鐵株式会社 熱間圧延における板厚制御方法

Also Published As

Publication number Publication date
EP0567207A2 (en) 1993-10-27
EP0567207B1 (en) 1997-08-06
CA2088106A1 (en) 1993-10-23
JPH05339199A (ja) 1993-12-21
DE69312784T2 (de) 1998-03-05
ATE156473T1 (de) 1997-08-15
JP3359368B2 (ja) 2002-12-24
US5208370A (en) 1993-05-04
DE69312784D1 (de) 1997-09-11
EP0567207A3 (en) 1995-03-08

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Legal Events

Date Code Title Description
FA7 Application withdrawn (art. 18 par. 1 of law 5772/71) - being contrary to morals, good customs and public security, order and health