BE550445A - - Google Patents

Info

Publication number
BE550445A
BE550445A BE550445DA BE550445A BE 550445 A BE550445 A BE 550445A BE 550445D A BE550445D A BE 550445DA BE 550445 A BE550445 A BE 550445A
Authority
BE
Belgium
Application number
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.)
Publication of BE550445A publication Critical patent/BE550445A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
    • C01B21/16—Hydrazine; Salts thereof
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
    • C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
    • C08G65/08—Saturated oxiranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyethers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BE550445D 1949-05-31 BE550445A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96165A US2698286A (en) 1949-05-31 1949-05-31 Dehydration of hydrazine solutions

Publications (1)

Publication Number Publication Date
BE550445A true BE550445A (xx)

Family

ID=22255966

Family Applications (2)

Application Number Title Priority Date Filing Date
BE550445D BE550445A (xx) 1949-05-31
BE496059D BE496059A (xx) 1949-05-31

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE496059D BE496059A (xx) 1949-05-31

Country Status (7)

Country Link
US (1) US2698286A (xx)
BE (2) BE496059A (xx)
CH (1) CH291184A (xx)
DE (1) DE1150206B (xx)
FR (2) FR1019168A (xx)
GB (1) GB703065A (xx)
NL (2) NL109561C (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125181B (de) * 1957-04-05 1962-03-08 Union Carbide Corp Verfahren zur Herstellung von hochmolekularen Polymerisaten der Alkylenoxyde sowie von Styroloxyd in Gegenwart von Metallverbindungen
US3284374A (en) * 1960-03-05 1966-11-08 Nippon Carbide Kogyo Kk Process for polymerizing olefin oxides with a catalyst consisting of an organozinc compound and an amine

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020007B (de) * 1952-02-06 1957-11-28 Olin Mathieson Verfahren zur Konzentrierung waessrigen Hydrazins
DE1016687B (de) * 1952-02-06 1957-10-03 Olin Mathieson Verfahren zur Konzentrierung waessrigen Hydrazins
BE528536A (xx) * 1953-04-02
US2963407A (en) * 1953-10-06 1960-12-06 Olin Mathieson Dehydration of hydrazine
US3138545A (en) * 1955-05-10 1964-06-23 Fmc Corp Dehydration of nu, nu-dimethylhydrazine by distillation in the presence of an alkali
DE1095794B (de) * 1956-11-28 1960-12-29 Olin Mathieson Extraktionsverfahren zur Dehydratisierung von waessrigem Hydazin
DE1098924B (de) * 1957-02-08 1961-02-09 Olin Mathieson Verfahren zur Dehydratisierung waessriger Loesungen von Hydrazin
NL229958A (xx) * 1957-07-31
NL230104A (xx) * 1957-08-01
NL246334A (xx) * 1958-12-16
US3433788A (en) * 1966-04-27 1969-03-18 Union Carbide Corp Process for recovery of amines from aqueous solutions by solvent treatment and distillation
FR2354965A1 (fr) * 1976-06-15 1978-01-13 Anvar Procede et dispositif pour la purification poussee de l'eau et produit obtenu
US4124452A (en) * 1978-05-22 1978-11-07 The United States Of America As Represented By The Secretary Of The Navy Distillation technique for removal of UDMH from water
US4154658A (en) * 1978-07-03 1979-05-15 The United States Of America As Represented By The Secretary Of The Navy Purification of 1,1-dimethyl hydrazine (UDMH) containing formaldehyde dimethyl hydrazone
US5035775A (en) * 1986-07-31 1991-07-30 Olin Corporation Ultrapure hydrazine production
US4804442A (en) * 1986-07-31 1989-02-14 Olin Corporation Ultrapure hydrazine production
FR2815956B1 (fr) * 2000-10-26 2003-05-23 Atofina Procede d'obtention d'hydrazine anhydre et dispositif pour sa mise en oeuvre
CN105254527A (zh) * 2015-11-17 2016-01-20 宜宾海丰和锐有限公司 一种制备高浓度水合肼的方法
US11027974B2 (en) * 2016-11-08 2021-06-08 Matheson Tri-Gas, Inc. Removal of moisture from hydrazine
CN112386938A (zh) * 2020-12-03 2021-02-23 山东恒信科技发展有限公司 一种n-甲酰吗啉加循环间隔烃的脱水系统及脱水方法
CN115837260B (zh) * 2023-02-23 2023-05-30 大庆华理生物技术股份有限公司 油酸酰胺化脱胺回收装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1416206A (en) * 1922-05-16 Wilbert j
US910858A (en) * 1907-10-31 1909-01-26 Friedrich Raschig Production of hydrazin.
US1833717A (en) * 1927-01-13 1931-11-24 Heat Treating Company Purification and concentration of liquids
FR744157A (xx) * 1931-10-17
US2290636A (en) * 1940-12-24 1942-07-21 Shell Dev Distillation process
US2465959A (en) * 1946-06-28 1949-03-29 Commercial Solvents Corp Recovery of nitromethane from aqueous alcoholic mixtures thereof
US2537791A (en) * 1946-08-17 1951-01-09 Edwal Lab Inc Method for production of hydrazine and/or hydrazine hydrate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1125181B (de) * 1957-04-05 1962-03-08 Union Carbide Corp Verfahren zur Herstellung von hochmolekularen Polymerisaten der Alkylenoxyde sowie von Styroloxyd in Gegenwart von Metallverbindungen
US3284374A (en) * 1960-03-05 1966-11-08 Nippon Carbide Kogyo Kk Process for polymerizing olefin oxides with a catalyst consisting of an organozinc compound and an amine

Also Published As

Publication number Publication date
NL209951A (xx)
GB703065A (en) 1954-01-27
FR1019168A (fr) 1953-01-19
US2698286A (en) 1954-12-28
CH291184A (fr) 1953-06-15
FR70742E (fr) 1959-07-10
DE1150206B (de) 1963-06-12
NL109561C (xx)
BE496059A (xx)

Similar Documents

Publication Publication Date Title
AT193848B (xx)
BE488341A (xx)
BE480618A (xx)
BE155588A (xx)
BE437616A (xx)
BE449134A (xx)
BE457200A (xx)
BE476015A (xx)
BE476643A (xx)
BE476829A (xx)
BE479156A (xx)
BE480597A (xx)
BE488426A (xx)
BE482756A (xx)
BE483443A (xx)
BE483689A (xx)
BE485768A (xx)
BE485770A (xx)
BE486689A (xx)
BE486819A (xx)
BE487077A (xx)
BE487289A (xx)
BE487335A (xx)
BE487425A (xx)
BE487428A (xx)