CN1558896A - 用脲作为起始原料来制备联二脲的方法和设备 - Google Patents
用脲作为起始原料来制备联二脲的方法和设备 Download PDFInfo
- Publication number
- CN1558896A CN1558896A CNA018237266A CN01823726A CN1558896A CN 1558896 A CN1558896 A CN 1558896A CN A018237266 A CNA018237266 A CN A018237266A CN 01823726 A CN01823726 A CN 01823726A CN 1558896 A CN1558896 A CN 1558896A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- biuret
- dicarbonamide
- reaction
- hydrazo
- 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.)
- Granted
Links
- ULUZGMIUTMRARO-UHFFFAOYSA-N (carbamoylamino)urea Chemical compound NC(=O)NNC(N)=O ULUZGMIUTMRARO-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 238000000034 method Methods 0.000 title claims abstract description 66
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000004202 carbamide Substances 0.000 title claims abstract description 60
- 239000007858 starting material Substances 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 187
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 claims abstract description 108
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 93
- 238000000197 pyrolysis Methods 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 17
- 150000002367 halogens Chemical class 0.000 claims abstract description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 13
- 238000001953 recrystallisation Methods 0.000 claims abstract description 6
- 150000003839 salts Chemical class 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 158
- 125000005843 halogen group Chemical group 0.000 claims description 44
- 238000002360 preparation method Methods 0.000 claims description 43
- 230000008569 process Effects 0.000 claims description 15
- 239000002253 acid Substances 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 9
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 9
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000002562 thickening agent Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000012948 isocyanate Substances 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 5
- 150000002513 isocyanates Chemical class 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 4
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 3
- 150000004692 metal hydroxides Chemical class 0.000 claims description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 239000003377 acid catalyst Substances 0.000 claims description 2
- 239000000010 aprotic solvent Substances 0.000 claims description 2
- 239000012141 concentrate Substances 0.000 claims description 2
- 150000007522 mineralic acids Chemical group 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000002798 polar solvent Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 3
- 238000006722 reduction reaction Methods 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- 239000000243 solution Substances 0.000 description 18
- -1 acids compound Chemical class 0.000 description 16
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 15
- 239000002994 raw material Substances 0.000 description 15
- 238000003756 stirring Methods 0.000 description 15
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 10
- 239000000460 chlorine Substances 0.000 description 10
- 229910052801 chlorine Inorganic materials 0.000 description 10
- 239000003054 catalyst Substances 0.000 description 9
- 239000007791 liquid phase Substances 0.000 description 9
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 8
- 239000006227 byproduct Substances 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 238000004587 chromatography analysis Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 6
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- 239000004156 Azodicarbonamide Substances 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000005708 Sodium hypochlorite Substances 0.000 description 3
- 235000019399 azodicarbonamide Nutrition 0.000 description 3
- XKGPWQAPNIDUSV-UHFFFAOYSA-N chlorourea;sodium Chemical compound [Na].NC(=O)NCl XKGPWQAPNIDUSV-UHFFFAOYSA-N 0.000 description 3
- XSBJHFRMBNLOGP-UHFFFAOYSA-N diaziridin-3-one Chemical class O=C1NN1 XSBJHFRMBNLOGP-UHFFFAOYSA-N 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- WNVQBUHCOYRLPA-UHFFFAOYSA-N triuret Chemical compound NC(=O)NC(=O)NC(N)=O WNVQBUHCOYRLPA-UHFFFAOYSA-N 0.000 description 3
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000002366 halogen compounds Chemical class 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 239000001488 sodium phosphate Substances 0.000 description 2
- 229910000162 sodium phosphate Inorganic materials 0.000 description 2
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910019093 NaOCl Inorganic materials 0.000 description 1
- 241000282849 Ruminantia Species 0.000 description 1
- PFLUPZGCTVGDLV-UHFFFAOYSA-N acetone azine Chemical compound CC(C)=NN=C(C)C PFLUPZGCTVGDLV-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 239000002246 antineoplastic agent Substances 0.000 description 1
- XTKDAFGWCDAMPY-UHFFFAOYSA-N azaperone Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCN(C=2N=CC=CC=2)CC1 XTKDAFGWCDAMPY-UHFFFAOYSA-N 0.000 description 1
- 229910052728 basic metal Inorganic materials 0.000 description 1
- 150000003818 basic metals Chemical class 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000007973 cyanuric acids Chemical class 0.000 description 1
- 229940127089 cytotoxic agent Drugs 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002363 herbicidal effect Effects 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000006462 rearrangement reaction Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C281/00—Derivatives of carbonic acid containing functional groups covered by groups C07C269/00 - C07C279/00 in which at least one nitrogen atom of these functional groups is further bound to another nitrogen atom not being part of a nitro or nitroso group
- C07C281/06—Compounds containing any of the groups, e.g. semicarbazides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
制备例 | 空气注入速率(L/分钟) | 脲含量(重量%) | 缩二脲含量(重量%) | 三聚氰酸和其它固体的含量(重量%) |
1 | 0 | 62 | 35 | 3 |
2 | 1 | 41 | 55 | 4 |
3 | 2 | 38 | 60 | 2 |
4 | 4 | 37 | 61 | 2 |
制备例 | 反应温度(℃) | 脲含量(重量%) | 缩二脲含量(重量%) | 三聚氰酸和其它固体的含量(重量%) |
4 | 150 | 47 | 50 | 3 |
5 | 160 | 38.5 | 57 | 4.3 |
6 | 170 | 28 | 65 | 7 |
制备例 | 压力(mmHg) | 脲含量(重量%) | 缩二脲含量(重量%) | 三聚氰酸和其它固体的含量(重量%) |
8 | 380 | 56 | 50 | 4 |
9 | 190 | 41.5 | 55 | 3.5 |
10 | 100 | 40 | 57 | 3 |
制备例 | 催化剂 | 脲含量(重量%) | 缩二脲含量(重量%) | 三聚氰酸和其它固体的含量(重量%) |
11 | 硫酸 | 34 | 62 | 4 |
12 | 磷酸钠 | 36 | 61 | 3 |
13 | 亚硫酰氯 | 35 | 62 | 3 |
实施例 | 反应条件(温度,时间) | 产率(%) |
1 | 30℃,1小时 | 85 |
2 | 30℃,2小时 | 90 |
3 | 30℃,3小时 | 89 |
4 | 60℃,1小时 | 91 |
5 | 60℃,2小时 | 89 |
6 | 60℃,3小时 | 90 |
7 | 90℃,1小时 | 88 |
8 | 90℃,2小时 | 89 |
9 | 90℃,3小时 | 90 |
实施例 | 所用的催化剂 | 产率(%) |
10 | ZnCl2 | 94 |
11 | Zn(OH)2 | 92 |
12 | AlCl3 | 90 |
13 | BaCl2 | 91 |
14 | CdCl2 | 92 |
15 | ZnSO4 | 93 |
16 | ZnCl2+AlCl3(每种0.025摩尔) | 96 |
17 | ZnCl2+BaCl2(每种0.025摩尔) | 94 |
18 | ZnCl2+CdCl2(每种0.025摩尔) | 96 |
实施例 | 反应条件(温度,时间) | 产率(%) |
19 | 30℃,1小时 | 78 |
20 | 30℃,2小时 | 89 |
21 | 30℃,3小时 | 89 |
22 | 60℃,1小时 | 88 |
23 | 60℃,2小时 | 90 |
24 | 60℃,3小时 | 90 |
25 | 90℃,1小时 | 87 |
26 | 90℃,2小时 | 86 |
27 | 90℃,3小时 | 89 |
实施例 | 所用的催化剂 | 产率(%) |
28 | ZnCl2 | 94 |
29 | Zn(OH)2 | 91 |
30 | AlCl3 | 89 |
31 | BaCl2 | 91 |
32 | CdCl2 | 93 |
33 | ZnSO4 | 92 |
34 | ZnCl2+AlCl3(每种0.025摩尔) | 97 |
35 | ZnCl2+BaCl2(每种0.025摩尔) | 93 |
36 | ZnCl2+CdCl2(每种0.025摩尔) | 96 |
实施例 | 反应条件(温度,时间) | 产率(%) |
37 | 30℃,1小时 | 79 |
38 | 30℃,2小时 | 88 |
39 | 30℃,3小时 | 89 |
40 | 60℃,1小时 | 89 |
41 | 60℃,2小时 | 90 |
42 | 60℃,3小时 | 91 |
43 | 90℃,1小时 | 88 |
44 | 90℃,2小时 | 88 |
45 | 90℃,3小时 | 89 |
实施例 | 所用的催化剂 | 产率(%) |
46 | ZnCl2 | 93 |
47 | Zn(OH)2 | 90 |
48 | AlCl3 | 90 |
49 | BaCl2 | 90 |
50 | CdCl2 | 92 |
51 | ZnSO4 | 89 |
52 | ZnCl2+AlCl3(每种0.025摩尔) | 95 |
53 | ZnCl2+BaCl2(每种0.025摩尔) | 93 |
54 | ZnCl2+CdCl2(每种0.025摩尔) | 94 |
实施例 | 氨对氯代缩二脲钠盐的摩尔比(%) | 产率(%) |
55 | 15 | 75 |
56 | 30 | 87 |
57 | 60 | 90 |
58 | 90 | 89 |
实施例 | 所用的溶剂 | 产率(%) |
59 | 甲醇 | 90 |
60 | 二甲基甲酰胺 | 94 |
61 | 四氢呋喃 | 90 |
62 | 乙腈 | 88 |
Claims (17)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/KR2001/001796 WO2003035601A1 (en) | 2001-10-24 | 2001-10-24 | Method and apparatus for preparing hydrazo-dicarbonamide using urea as starting material |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100877809A Division CN100348578C (zh) | 2001-10-24 | 2001-10-24 | 用脲作为起始原料来制备联二脲的设备 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1558896A true CN1558896A (zh) | 2004-12-29 |
CN1246293C CN1246293C (zh) | 2006-03-22 |
Family
ID=19198462
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN01823726.6A Expired - Fee Related CN1246293C (zh) | 2001-10-24 | 2001-10-24 | 用脲作为起始原料来制备联二脲的方法和设备 |
Country Status (9)
Country | Link |
---|---|
US (2) | US20040199012A1 (zh) |
EP (1) | EP1446378B1 (zh) |
JP (1) | JP4119842B2 (zh) |
CN (1) | CN1246293C (zh) |
BR (1) | BR0117163B1 (zh) |
DE (1) | DE60128012T2 (zh) |
ES (1) | ES2284702T3 (zh) |
MX (1) | MXPA04003884A (zh) |
WO (1) | WO2003035601A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101462985B (zh) * | 2009-01-22 | 2013-07-24 | 杭州电化集团有限公司 | 一种偶氮二甲酰胺的清洁生产工艺 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9282925B2 (en) | 2002-02-12 | 2016-03-15 | Dexcom, Inc. | Systems and methods for replacing signal artifacts in a glucose sensor data stream |
US8260393B2 (en) | 2003-07-25 | 2012-09-04 | Dexcom, Inc. | Systems and methods for replacing signal data artifacts in a glucose sensor data stream |
US8010174B2 (en) * | 2003-08-22 | 2011-08-30 | Dexcom, Inc. | Systems and methods for replacing signal artifacts in a glucose sensor data stream |
KR100618947B1 (ko) | 2002-06-17 | 2006-09-01 | 주식회사 제이앤드제이 캐미칼 | 뷰렛을 이용한 하이드라조디카본아미드의 제조 방법 |
US20080119703A1 (en) | 2006-10-04 | 2008-05-22 | Mark Brister | Analyte sensor |
US20190357827A1 (en) | 2003-08-01 | 2019-11-28 | Dexcom, Inc. | Analyte sensor |
US20140121989A1 (en) | 2003-08-22 | 2014-05-01 | Dexcom, Inc. | Systems and methods for processing analyte sensor data |
US8364231B2 (en) | 2006-10-04 | 2013-01-29 | Dexcom, Inc. | Analyte sensor |
KR100826882B1 (ko) * | 2005-12-05 | 2008-05-06 | 한국전자통신연구원 | 버스트 모드 광 수신기에서 디지털 자동이득제어 방법 및장치 |
JP2009288878A (ja) * | 2008-05-27 | 2009-12-10 | Hitachi Ltd | ストレージ装置、及びストレージ装置の冷却方法 |
WO2012142502A2 (en) | 2011-04-15 | 2012-10-18 | Dexcom Inc. | Advanced analyte sensor calibration and error detection |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2370065A (en) * | 1942-05-05 | 1945-02-20 | Sharples Chemicals Inc | Manufacture of biuret |
US2524049A (en) * | 1947-03-25 | 1950-10-03 | Paul W Garbo | Production of biuret |
US4654441A (en) * | 1980-08-15 | 1987-03-31 | Moorman Manufacturing Company | Biuret production by controlled pyrolysis of urea |
AU4208185A (en) * | 1984-05-31 | 1985-12-05 | Olin Corporation | Preparing hydrazodicarbonamide |
KR100345874B1 (ko) * | 2000-01-07 | 2002-07-27 | 주식회사 제이앤드제이 캐미칼 | 하이드라조디카본아미드의 합성 방법 |
-
2001
- 2001-10-24 BR BRPI0117163-1A patent/BR0117163B1/pt not_active IP Right Cessation
- 2001-10-24 JP JP2003538117A patent/JP4119842B2/ja not_active Expired - Fee Related
- 2001-10-24 WO PCT/KR2001/001796 patent/WO2003035601A1/en active IP Right Grant
- 2001-10-24 ES ES01981121T patent/ES2284702T3/es not_active Expired - Lifetime
- 2001-10-24 MX MXPA04003884A patent/MXPA04003884A/es active IP Right Grant
- 2001-10-24 EP EP01981121A patent/EP1446378B1/en not_active Expired - Lifetime
- 2001-10-24 DE DE60128012T patent/DE60128012T2/de not_active Expired - Lifetime
- 2001-10-24 CN CN01823726.6A patent/CN1246293C/zh not_active Expired - Fee Related
-
2004
- 2004-04-21 US US10/829,418 patent/US20040199012A1/en not_active Abandoned
-
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101462985B (zh) * | 2009-01-22 | 2013-07-24 | 杭州电化集团有限公司 | 一种偶氮二甲酰胺的清洁生产工艺 |
Also Published As
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DE60128012D1 (de) | 2007-05-31 |
EP1446378B1 (en) | 2007-04-18 |
EP1446378A4 (en) | 2005-07-13 |
JP4119842B2 (ja) | 2008-07-16 |
BR0117163B1 (pt) | 2012-05-15 |
JP2005506378A (ja) | 2005-03-03 |
CN1246293C (zh) | 2006-03-22 |
BR0117163A (pt) | 2004-10-26 |
US7422727B2 (en) | 2008-09-09 |
WO2003035601A1 (en) | 2003-05-01 |
DE60128012T2 (de) | 2008-01-10 |
US20040199012A1 (en) | 2004-10-07 |
US20070207072A1 (en) | 2007-09-06 |
MXPA04003884A (es) | 2004-07-16 |
ES2284702T3 (es) | 2007-11-16 |
EP1446378A1 (en) | 2004-08-18 |
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