NO762753L - - Google Patents

Info

Publication number: NO762753L
Authority: NO; Norway
Prior art keywords: approx; reaction; temperature; carrier; hydrazine
Prior art date: 1975-08-07

Application number

NO762753A

Other languages

English (en)

Norwegian (no)

Inventor

Hans Osborg

Original Assignee

Hans Osborg

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.)

1975-08-07

Filing date

1976-08-09

Publication date

1977-02-08

1976-08-09 Application filed by Hans Osborg filed Critical Hans Osborg

1977-02-08 Publication of NO762753L publication Critical patent/NO762753L/no

Links

238000000034 method Methods 0.000 claims description 60
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 58
238000006243 chemical reaction Methods 0.000 claims description 50
239000011541 reaction mixture Substances 0.000 claims description 29
ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 claims description 15
-1 amine compound Chemical class 0.000 claims description 14
230000008569 process Effects 0.000 claims description 13
150000001408 amides Chemical class 0.000 claims description 11
229910052784 alkaline earth metal Inorganic materials 0.000 claims description 10
ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 claims description 10
238000004821 distillation Methods 0.000 claims description 9
125000000217 alkyl group Chemical group 0.000 claims description 8
239000001257 hydrogen Substances 0.000 claims description 8
229910052739 hydrogen Inorganic materials 0.000 claims description 8
229910052783 alkali metal Inorganic materials 0.000 claims description 7
239000007788 liquid Substances 0.000 claims description 7
229910052799 carbon Inorganic materials 0.000 claims description 6
150000002429 hydrazines Chemical class 0.000 claims description 6
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 6
238000002360 preparation method Methods 0.000 claims description 6
150000001340 alkali metals Chemical class 0.000 claims description 5
239000003350 kerosene Substances 0.000 claims description 5
YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 claims description 5
239000000460 chlorine Substances 0.000 claims description 4
229910052801 chlorine Inorganic materials 0.000 claims description 4
150000002431 hydrogen Chemical class 0.000 claims description 4
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
229910052794 bromium Chemical group 0.000 claims description 2
125000001309 chloro group Chemical group Cl* 0.000 claims description 2
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
238000000926 separation method Methods 0.000 claims description 2
KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 claims 1
125000004435 hydrogen atom Chemical group [H]* 0.000 claims 1
OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 82
239000000047 product Substances 0.000 description 34
239000000376 reactant Substances 0.000 description 27
229910021529 ammonia Inorganic materials 0.000 description 22
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
150000001875 compounds Chemical class 0.000 description 15
RHUYHJGZWVXEHW-UHFFFAOYSA-N 1,1-Dimethyhydrazine Chemical compound CN(C)N RHUYHJGZWVXEHW-UHFFFAOYSA-N 0.000 description 14
238000004519 manufacturing process Methods 0.000 description 14
QDHHCQZDFGDHMP-UHFFFAOYSA-N Chloramine Chemical compound ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 description 13
238000010438 heat treatment Methods 0.000 description 11
238000010992 reflux Methods 0.000 description 11
239000006227 byproduct Substances 0.000 description 10
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
239000000203 mixture Substances 0.000 description 8
238000003756 stirring Methods 0.000 description 8
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
MAGVJLLHDZWQFM-UHFFFAOYSA-N n-chloro-n-methylmethanamine Chemical compound CN(C)Cl MAGVJLLHDZWQFM-UHFFFAOYSA-N 0.000 description 6
229910001873 dinitrogen Inorganic materials 0.000 description 5
GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 5
238000007086 side reaction Methods 0.000 description 5
235000011121 sodium hydroxide Nutrition 0.000 description 5
239000000243 solution Substances 0.000 description 5
CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
230000008901 benefit Effects 0.000 description 4
239000004202 carbamide Substances 0.000 description 4
238000007796 conventional method Methods 0.000 description 4
UMFJAHHVKNCGLG-UHFFFAOYSA-N n-Nitrosodimethylamine Chemical compound CN(C)N=O UMFJAHHVKNCGLG-UHFFFAOYSA-N 0.000 description 4
239000002002 slurry Substances 0.000 description 4
229910052708 sodium Inorganic materials 0.000 description 4
239000011734 sodium Substances 0.000 description 4
XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
239000008096 xylene Substances 0.000 description 4
AXFVIWBTKYFOCY-UHFFFAOYSA-N 1-n,1-n,3-n,3-n-tetramethylbutane-1,3-diamine Chemical compound CN(C)C(C)CCN(C)C AXFVIWBTKYFOCY-UHFFFAOYSA-N 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
239000005708 Sodium hypochlorite Substances 0.000 description 3
239000003513 alkali Substances 0.000 description 3
239000000969 carrier Substances 0.000 description 3
239000013067 intermediate product Substances 0.000 description 3
HKOOXMFOFWEVGF-UHFFFAOYSA-N phenylhydrazine Chemical compound NNC1=CC=CC=C1 HKOOXMFOFWEVGF-UHFFFAOYSA-N 0.000 description 3
229940067157 phenylhydrazine Drugs 0.000 description 3
239000002244 precipitate Substances 0.000 description 3
229920006395 saturated elastomer Polymers 0.000 description 3
239000011780 sodium chloride Substances 0.000 description 3
SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 3
239000007858 starting material Substances 0.000 description 3
IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 3
239000002699 waste material Substances 0.000 description 3
ZFFBIQMNKOJDJE-UHFFFAOYSA-N 2-bromo-1,2-diphenylethanone Chemical compound C=1C=CC=CC=1C(Br)C(=O)C1=CC=CC=C1 ZFFBIQMNKOJDJE-UHFFFAOYSA-N 0.000 description 2
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
238000004131 Bayer process Methods 0.000 description 2
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 2
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
RAJISUUPOAJLEQ-UHFFFAOYSA-N chloromethanamine Chemical compound NCCl RAJISUUPOAJLEQ-UHFFFAOYSA-N 0.000 description 2
238000001816 cooling Methods 0.000 description 2
238000000354 decomposition reaction Methods 0.000 description 2
238000005265 energy consumption Methods 0.000 description 2
239000000706 filtrate Substances 0.000 description 2
239000000446 fuel Substances 0.000 description 2
230000036541 health Effects 0.000 description 2
238000002955 isolation Methods 0.000 description 2
150000004682 monohydrates Chemical class 0.000 description 2
QZYWEVKTBJKUPB-UHFFFAOYSA-N n-butyl-n-chlorobutan-1-amine Chemical compound CCCCN(Cl)CCCC QZYWEVKTBJKUPB-UHFFFAOYSA-N 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
XKLJHFLUAHKGGU-UHFFFAOYSA-N nitrous amide Chemical compound ON=N XKLJHFLUAHKGGU-UHFFFAOYSA-N 0.000 description 2
238000009738 saturating Methods 0.000 description 2
LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
239000000126 substance Substances 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 1
VKPPFDPXZWFDFA-UHFFFAOYSA-N 2-chloroethanamine Chemical compound NCCCl VKPPFDPXZWFDFA-UHFFFAOYSA-N 0.000 description 1
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
PFLUPZGCTVGDLV-UHFFFAOYSA-N acetone azine Chemical compound CC(C)=NN=C(C)C PFLUPZGCTVGDLV-UHFFFAOYSA-N 0.000 description 1
230000009471 action Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
150000001447 alkali salts Chemical class 0.000 description 1
150000001342 alkaline earth metals Chemical class 0.000 description 1
150000001412 amines Chemical class 0.000 description 1
235000019270 ammonium chloride Nutrition 0.000 description 1
150000003863 ammonium salts Chemical class 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
JENCOQNWECEFQI-UHFFFAOYSA-N azanide;barium(2+) Chemical compound [NH2-].[NH2-].[Ba+2] JENCOQNWECEFQI-UHFFFAOYSA-N 0.000 description 1
229910052788 barium Inorganic materials 0.000 description 1
DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
229910052792 caesium Inorganic materials 0.000 description 1
TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
239000011575 calcium Substances 0.000 description 1
BWKDLDWUVLGWFC-UHFFFAOYSA-N calcium;azanide Chemical compound [NH2-].[NH2-].[Ca+2] BWKDLDWUVLGWFC-UHFFFAOYSA-N 0.000 description 1
230000000711 cancerogenic effect Effects 0.000 description 1
125000004432 carbon atom Chemical group C* 0.000 description 1
231100000357 carcinogen Toxicity 0.000 description 1
239000003183 carcinogenic agent Substances 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
238000010960 commercial process Methods 0.000 description 1
238000010959 commercial synthesis reaction Methods 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
238000011437 continuous method Methods 0.000 description 1
238000010924 continuous production Methods 0.000 description 1
238000002425 crystallisation Methods 0.000 description 1
230000008025 crystallization Effects 0.000 description 1
125000005265 dialkylamine group Chemical group 0.000 description 1
XYVQUXLXRYPSSX-UHFFFAOYSA-N diazocyclopropane Chemical compound [N-]=[N+]=C1CC1 XYVQUXLXRYPSSX-UHFFFAOYSA-N 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 1
230000008034 disappearance Effects 0.000 description 1
239000003995 emulsifying agent Substances 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
239000012467 final product Substances 0.000 description 1
125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 1
239000012442 inert solvent Substances 0.000 description 1
150000002576 ketones Chemical class 0.000 description 1
229910052744 lithium Inorganic materials 0.000 description 1
AFRJJFRNGGLMDW-UHFFFAOYSA-N lithium amide Chemical compound [Li+].[NH2-] AFRJJFRNGGLMDW-UHFFFAOYSA-N 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
HDZGCSFEDULWCS-UHFFFAOYSA-N monomethylhydrazine Chemical compound CNN HDZGCSFEDULWCS-UHFFFAOYSA-N 0.000 description 1
TYDFLVGVWMSQAC-UHFFFAOYSA-N n-chloro-n-ethylethanamine Chemical compound CCN(Cl)CC TYDFLVGVWMSQAC-UHFFFAOYSA-N 0.000 description 1
YBRZHBAXGAPFMN-UHFFFAOYSA-N n-chloro-n-hexylhexan-1-amine Chemical compound CCCCCCN(Cl)CCCCCC YBRZHBAXGAPFMN-UHFFFAOYSA-N 0.000 description 1
LRJIFGKTBBJNIA-UHFFFAOYSA-N n-chlorobutan-1-amine Chemical compound CCCCNCl LRJIFGKTBBJNIA-UHFFFAOYSA-N 0.000 description 1
YIIRRMQJLGCFCB-UHFFFAOYSA-N n-chloropentan-1-amine Chemical compound CCCCCNCl YIIRRMQJLGCFCB-UHFFFAOYSA-N 0.000 description 1
125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
230000009935 nitrosation Effects 0.000 description 1
238000007034 nitrosation reaction Methods 0.000 description 1
239000003960 organic solvent Substances 0.000 description 1
125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
239000003208 petroleum Substances 0.000 description 1
229910052700 potassium Inorganic materials 0.000 description 1
239000011591 potassium Substances 0.000 description 1
150000003141 primary amines Chemical class 0.000 description 1
239000002994 raw material Substances 0.000 description 1
238000011084 recovery Methods 0.000 description 1
238000007670 refining Methods 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
229910052701 rubidium Inorganic materials 0.000 description 1
IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
238000004904 shortening Methods 0.000 description 1
235000010288 sodium nitrite Nutrition 0.000 description 1
159000000000 sodium salts Chemical class 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
FISGLHSNQHXMGY-UHFFFAOYSA-N sodium;aminoazanide Chemical compound [Na+].[NH-]N FISGLHSNQHXMGY-UHFFFAOYSA-N 0.000 description 1
239000002904 solvent Substances 0.000 description 1
229910052712 strontium Inorganic materials 0.000 description 1
CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
229910021653 sulphate ion Inorganic materials 0.000 description 1
125000005270 trialkylamine group Chemical group 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C241/00—Preparation of compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
- C07C241/02—Preparation of hydrazines

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

NO762753A 1975-08-07 1976-08-09 NO762753L (pl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/602,837 US4013758A (en)	1975-08-07	1975-08-07	Process for preparing hydrazines

Publications (1)

Publication Number	Publication Date
NO762753L true NO762753L (pl)	1977-02-08

Family

ID=24412993

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO762753A NO762753L (pl)	1975-08-07	1976-08-09

Country Status (4)

Country	Link
US (1)	US4013758A (pl)
DE (1)	DE2635624A1 (pl)
NL (1)	NL7608832A (pl)
NO (1)	NO762753L (pl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4248800A (en) *	1979-03-22	1981-02-03	Pennwalt Corporation	Manufacture of organic hydrazines
US4286108A (en) *	1979-10-17	1981-08-25	Hans Osborg	Process for preparing hydrazines
US4508695A (en) *	1982-04-22	1985-04-02	Hans Osborg	Process for preparing hydrazines
US4804442A (en) *	1986-07-31	1989-02-14	Olin Corporation	Ultrapure hydrazine production
US5035775A (en) *	1986-07-31	1991-07-30	Olin Corporation	Ultrapure hydrazine production
FR2647444B1 (pl) *	1989-05-24	1991-07-26	Atochem
US6638326B2 (en)	2001-09-25	2003-10-28	Ekc Technology, Inc.	Compositions for chemical mechanical planarization of tantalum and tantalum nitride
US6866792B2 (en) *	2001-12-12	2005-03-15	Ekc Technology, Inc.	Compositions for chemical mechanical planarization of copper

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2808439A (en) *		1957-10-01		Preparation of substituted chloramines
US3050560A (en) *	1954-02-15	1962-08-21	Aerojet General Co	Preparation of dimethyl hydrazine
US2806851A (en) *	1954-03-25	1957-09-17	Univ Ohio State Res Found	Substituted hydrazines
US3281211A (en) *	1963-07-26	1966-10-25	Southern Res Inst	Process of forming hydrazine
US3657324A (en) *	1967-11-21	1972-04-18	Pennwalt Corp	Hydrazine derivatives and process therefor

1975
- 1975-08-07 US US05/602,837 patent/US4013758A/en not_active Expired - Lifetime
1976
- 1976-08-07 DE DE19762635624 patent/DE2635624A1/de not_active Withdrawn
- 1976-08-09 NL NL7608832A patent/NL7608832A/xx not_active Application Discontinuation
- 1976-08-09 NO NO762753A patent/NO762753L/no unknown

Also Published As

Publication number	Publication date
US4013758A (en)	1977-03-22
NL7608832A (nl)	1977-02-09
DE2635624A1 (de)	1977-02-17

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US3492342A (en)	1970-01-27	Sulfonation of nitro compounds
US3077383A (en)	1963-02-12	Process for the production of hydrazine hydrate
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