DE69807990D1 - Verfahren zur Stabilisierung von 4,6-Diaminoresorcin und dessen Salzen - Google Patents

Verfahren zur Stabilisierung von 4,6-Diaminoresorcin und dessen Salzen

Info

Publication number
DE69807990D1
DE69807990D1 DE69807990T DE69807990T DE69807990D1 DE 69807990 D1 DE69807990 D1 DE 69807990D1 DE 69807990 T DE69807990 T DE 69807990T DE 69807990 T DE69807990 T DE 69807990T DE 69807990 D1 DE69807990 D1 DE 69807990D1
Authority
DE
Germany
Prior art keywords
diaminoresorcinol
stabilization
salts
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69807990T
Other languages
English (en)
Other versions
DE69807990T2 (de
Inventor
Go Matsuoka
Fuyuhiko Kubota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyobo Co Ltd
Original Assignee
Toyobo Co Ltd
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 Toyobo Co Ltd filed Critical Toyobo Co Ltd
Publication of DE69807990D1 publication Critical patent/DE69807990D1/de
Application granted granted Critical
Publication of DE69807990T2 publication Critical patent/DE69807990T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/22—Polybenzoxazoles
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
    • C07C213/10—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69807990T 1997-06-10 1998-06-09 Verfahren zur Stabilisierung von 4,6-Diaminoresorcin und dessen Salzen Expired - Fee Related DE69807990T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15250097 1997-06-10

Publications (2)

Publication Number Publication Date
DE69807990D1 true DE69807990D1 (de) 2002-10-24
DE69807990T2 DE69807990T2 (de) 2003-04-30

Family

ID=15541831

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69807990T Expired - Fee Related DE69807990T2 (de) 1997-06-10 1998-06-09 Verfahren zur Stabilisierung von 4,6-Diaminoresorcin und dessen Salzen

Country Status (3)

Country Link
US (1) US5911908A (de)
EP (1) EP0884303B1 (de)
DE (1) DE69807990T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7127747B2 (en) * 2003-01-10 2006-10-31 Sport Helmets, Inc. Protective eyewear device for sports
CN106554287A (zh) * 2015-09-29 2017-04-05 中国石油化工集团公司 一种在4,6-二氨基盐酸盐中定量加入氯化亚锡的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60239447A (ja) * 1984-05-15 1985-11-28 リヤオ，チ−　ス− アミノフエノ−ル類の安定化方法
US4766244A (en) * 1986-10-30 1988-08-23 The Dow Chemical Company High purity process for the preparation of 4,6-diamino-1,3-benzenediol
US4912246A (en) * 1987-10-19 1990-03-27 The Dow Chemical Company 1,3-bis(alkylcarbonato)-nitrobenzenes
US5001279A (en) * 1989-11-17 1991-03-19 The Dow Chemical Company Aqueous synthesis of 2-halo-4,6-dinitroresorcinol and 4,6-diaminoresorcinol
US5276128A (en) * 1991-10-22 1994-01-04 The Dow Chemical Company Salts of polybenzazole monomers and their use
US5414130A (en) * 1993-12-23 1995-05-09 The Dow Chemical Company Process for the preparation of diaminoresorcinol

Also Published As

Publication number Publication date
US5911908A (en) 1999-06-15
EP0884303B1 (de) 2002-09-18
EP0884303A1 (de) 1998-12-16
DE69807990T2 (de) 2003-04-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee