BR0106878A - Processo de produção de resina absorvente de água - Google Patents

Processo de produção de resina absorvente de água

Info

Publication number
BR0106878A
BR0106878A BR0106878-4A BR0106878A BR0106878A BR 0106878 A BR0106878 A BR 0106878A BR 0106878 A BR0106878 A BR 0106878A BR 0106878 A BR0106878 A BR 0106878A
Authority
BR
Brazil
Prior art keywords
water
absorbing resin
content
absorbent resin
production process
Prior art date
Application number
BR0106878-4A
Other languages
English (en)
Other versions
BR0106878B1 (pt
Inventor
Yukihiro Matsumoto
Kunihiko Ishizaki
Teruyuki Kanto
Original Assignee
Nippon Catalytic Chem Ind
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=18687082&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR0106878(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Catalytic Chem Ind filed Critical Nippon Catalytic Chem Ind
Publication of BR0106878A publication Critical patent/BR0106878A/pt
Publication of BR0106878B1 publication Critical patent/BR0106878B1/pt

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
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/04—Acids, Metal salts or ammonium salts thereof
    • C08F20/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

Patente de Invenção: "PROCESSO DE PRODUçãO DE RESINA ABSORVENTE DE áGUA". A presente invenção refere-se a um processo para a produção de uma resina absorvente de água da qual o teor de monómero residual e conteúdo que pode ser extraído por água são baixos. O processo para a produção de uma resina absorvente de água compreende a etapa de polimerização de pelo menos um componente monómero que inclui ácido acrílico e/ou um sal do mesmo como componentes principais para produzir uma resina absorvente de água que é um sal neutralizado e este processo é caracterizado pelo fato de que o ácido acrílico é um produto obtido por oxidação catalítica em fase gasosa de propileno e/ou de propano e tem um teor de protoanemonina de não mais do que 10 ppm e pelo fato de que a resina absorvente de água resultante tem uma razão de neutralização de não menos do que 50% em mol.
BRPI0106878-4A 2000-06-21 2001-06-20 "processo para produção de resina absorvente de água". BR0106878B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000187021 2000-06-21
PCT/JP2001/005265 WO2001098382A1 (fr) 2000-06-21 2001-06-20 Procede de production d'une resine absorbant l'eau

Publications (2)

Publication Number Publication Date
BR0106878A true BR0106878A (pt) 2002-05-14
BR0106878B1 BR0106878B1 (pt) 2011-05-03

Family

ID=18687082

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0106878-4A BR0106878B1 (pt) 2000-06-21 2001-06-20 "processo para produção de resina absorvente de água".

Country Status (7)

Country Link
US (2) US6927268B2 (pt)
EP (1) EP1302485B1 (pt)
JP (2) JP5349723B2 (pt)
CN (1) CN1206250C (pt)
BR (1) BR0106878B1 (pt)
WO (1) WO2001098382A1 (pt)
ZA (1) ZA200200723B (pt)

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Also Published As

Publication number Publication date
CN1383432A (zh) 2002-12-04
BR0106878B1 (pt) 2011-05-03
CN1206250C (zh) 2005-06-15
JP2013100529A (ja) 2013-05-23
EP1302485A4 (en) 2006-08-30
WO2001098382A1 (fr) 2001-12-27
US6927268B2 (en) 2005-08-09
EP1302485A1 (en) 2003-04-16
US20050228154A1 (en) 2005-10-13
JP5349723B2 (ja) 2013-11-20
US7238743B2 (en) 2007-07-03
US20020120085A1 (en) 2002-08-29
EP1302485B1 (en) 2013-04-24
ZA200200723B (en) 2002-09-05

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
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 20/06/2001, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 20A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2624 DE 20-04-2021 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.