FR2103035A5 - - Google Patents

Info

Publication number
FR2103035A5
FR2103035A5 FR7126222A FR7126222A FR2103035A5 FR 2103035 A5 FR2103035 A5 FR 2103035A5 FR 7126222 A FR7126222 A FR 7126222A FR 7126222 A FR7126222 A FR 7126222A FR 2103035 A5 FR2103035 A5 FR 2103035A5
Authority
FR
France
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
Application number
FR7126222A
Other languages
French (fr)
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.)
Bayer AG
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
Application granted granted Critical
Publication of FR2103035A5 publication Critical patent/FR2103035A5/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7126222A 1970-07-18 1971-07-16 Expired FR2103035A5 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702035731 DE2035731C3 (de) 1970-07-18 1970-07-18 Verfahren zur einstufigen kontinuierlichen Abtrennung von Destillationsrückständen aus rohen Isocyanaten

Publications (1)

Publication Number Publication Date
FR2103035A5 true FR2103035A5 (de) 1972-04-07

Family

ID=5777174

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7126222A Expired FR2103035A5 (de) 1970-07-18 1971-07-16

Country Status (6)

Country Link
BE (1) BE770137A (de)
DE (1) DE2035731C3 (de)
ES (1) ES393391A1 (de)
FR (1) FR2103035A5 (de)
GB (1) GB1336385A (de)
NL (1) NL7109730A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2320938A1 (fr) * 1975-08-15 1977-03-11 Schwarzheide Synthesewerk Veb Procede permettant de separer des isocyanates organiques en continu par voie thermique d'un residu de distillation liquide

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4118410A (en) 1971-02-04 1978-10-03 Gottfried Reuter Gmbh I.L. Polyphenyl-polymethylene-polyisocyanate mixtures
DE2942678A1 (de) * 1979-10-23 1981-05-07 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von vernetzten, harnstoffgruppenhaltigen isocyanatdestillationsrueckstaenden und verwendung der verfahrensprodukte als ausgangskomponenten bei der herstellung von kunststoffen
US6307096B1 (en) * 1999-12-28 2001-10-23 Bayer Corporation Method for making aliphatic diisocyanates
CN106006806A (zh) * 2016-07-22 2016-10-12 株洲三特环保节能有限公司 一种热风和列管加热器相结合的废酸浓缩处理方法及装置
WO2021185732A1 (de) 2020-03-18 2021-09-23 Covestro Deutschland Ag Verfahren sowie vorrichtung zur aufreinigung zähflüssiger und/oder fester isocyanate aus einem produktstrom der isocyanatsynthese

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2320938A1 (fr) * 1975-08-15 1977-03-11 Schwarzheide Synthesewerk Veb Procede permettant de separer des isocyanates organiques en continu par voie thermique d'un residu de distillation liquide

Also Published As

Publication number Publication date
DE2035731C3 (de) 1985-08-29
DE2035731A1 (de) 1972-01-27
DE2035731B2 (de) 1979-03-01
ES393391A1 (es) 1973-08-16
GB1336385A (en) 1973-11-07
BE770137A (fr) 1971-12-01
NL7109730A (de) 1972-01-20

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Legal Events

Date Code Title Description
ST Notification of lapse