IT1105430B - Procedimento per produrre acido 1-ammino-8-naftol-3/6-disolfonico(acido h) - Google Patents

Procedimento per produrre acido 1-ammino-8-naftol-3/6-disolfonico(acido h)

Info

Publication number
IT1105430B
IT1105430B IT50300/78A IT5030078A IT1105430B IT 1105430 B IT1105430 B IT 1105430B IT 50300/78 A IT50300/78 A IT 50300/78A IT 5030078 A IT5030078 A IT 5030078A IT 1105430 B IT1105430 B IT 1105430B
Authority
IT
Italy
Prior art keywords
acid
dysphonic
naftol
amino
procedure
Prior art date
Application number
IT50300/78A
Other languages
English (en)
Other versions
IT7850300A0 (it
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of IT7850300A0 publication Critical patent/IT7850300A0/it
Application granted granted Critical
Publication of IT1105430B publication Critical patent/IT1105430B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/10—Obtaining titanium, zirconium or hafnium
    • C22B34/12—Obtaining titanium or titanium compounds from ores or scrap by metallurgical processing; preparation of titanium compounds from other titanium compounds see C01G23/00 - C01G23/08

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT50300/78A 1977-07-16 1978-07-14 Procedimento per produrre acido 1-ammino-8-naftol-3/6-disolfonico(acido h) IT1105430B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772732291 DE2732291A1 (de) 1977-07-16 1977-07-16 Verfahren zur herstellung von 1-amino-8-naphthol-3,6-disulfonsaeure (h-saeure)

Publications (2)

Publication Number Publication Date
IT7850300A0 IT7850300A0 (it) 1978-07-14
IT1105430B true IT1105430B (it) 1985-11-04

Family

ID=6014143

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50300/78A IT1105430B (it) 1977-07-16 1978-07-14 Procedimento per produrre acido 1-ammino-8-naftol-3/6-disolfonico(acido h)

Country Status (6)

Country Link
US (1) US4178308A (it)
EP (1) EP0000493B1 (it)
JP (1) JPS5419954A (it)
BR (1) BR7804546A (it)
DE (2) DE2732291A1 (it)
IT (1) IT1105430B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2716030C3 (de) * 1977-04-09 1981-07-16 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Monoalkalisalzes der 1-Amino-8-naphthol-3,6-disulfonsäure
US4325889A (en) * 1978-08-04 1982-04-20 Bayer Aktiengesellschaft Process for the preparation of 1-amino-8-naphthol-3,6-disulphonic acid (H-acid)
DE2843680A1 (de) * 1978-10-06 1980-04-24 Bayer Ag Verfahren zur herstellung von 1-amino-8-naphthol-4,6-disulfonsaeure (k-saeure)
DE3118147A1 (de) 1981-05-07 1982-12-02 Bayer Ag, 5090 Leverkusen Verfahren zur isolierung von h-saeure und k-saeure
CN1057521C (zh) * 1997-08-16 2000-10-18 吉林化学工业股份有限公司染料厂 1－氨基－8－奈酚－3.6二磺酸单钠盐生产工艺的改进
CA2719004C (en) 2008-03-21 2013-06-18 Abbott Point Of Care, Inc. Method and apparatus for determining a focal position of an imaging device adapted to image a biologic sample
US7903241B2 (en) 2008-03-21 2011-03-08 Abbott Point Of Care, Inc. Method and apparatus for determining red blood cell indices of a blood sample utilizing the intrinsic pigmentation of hemoglobin contained within the red blood cells
EP3109621A1 (en) 2008-03-21 2016-12-28 Abbott Point Of Care, Inc. Apparatus for analyzing individual cells or particulates in a blood sample based on fluorescence and optical density images of the sample
WO2009117682A1 (en) 2008-03-21 2009-09-24 Abbott Point Of Care, Inc. Method and apparatus for detecting and counting platelets individually and in aggregate clumps
CN102807513B (zh) * 2012-08-23 2013-12-18 楚源高新科技集团股份有限公司 一种利用h酸母液回收生产变色酸钠盐的工艺
CN103113269B (zh) * 2013-01-23 2015-07-22 绍兴奇彩化工有限公司 1,8-二硝基-3,6-萘二磺酸盐加氢还原方法
CN107986997A (zh) * 2017-12-08 2018-05-04 荆门市熊兴化工有限公司 一种用于h酸生产过程中的碱熔方法
CN115201363B (zh) * 2022-07-06 2024-02-09 广东众和高新科技股份公司 一种检测1,8-二氨基-3,6-萘二磺酸含量的液相色谱分析方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US511708A (en) * 1893-12-26 Gesellschaft fur aotlif fabrikation
US458286A (en) * 1891-08-25 Werke
US540412A (en) * 1895-06-04 Moritz ulrich and johann bammann
US1670406A (en) * 1925-05-09 1928-05-22 Newport Co Process of preparing h-acid
IT1078453B (it) * 1976-06-16 1985-05-08 American Cyanamid Co Perfezionamento nella sintesi di acido ammino-idrossinaftalene-solfonico
US4130581A (en) * 1977-10-03 1978-12-19 American Cyanamid Company Preparing J acid by fusion using phenolic fluxing agent

Also Published As

Publication number Publication date
DE2857516D1 (en) 1980-02-14
DE2732291A1 (de) 1979-02-01
JPS5419954A (en) 1979-02-15
EP0000493A1 (de) 1979-02-07
IT7850300A0 (it) 1978-07-14
US4178308A (en) 1979-12-11
JPS6136509B2 (it) 1986-08-19
BR7804546A (pt) 1979-03-20
EP0000493B1 (de) 1980-01-09

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