CN106608891B - 一种含取代基的邻羟基苯甲酸铬的制备方法 - Google Patents
一种含取代基的邻羟基苯甲酸铬的制备方法 Download PDFInfo
- Publication number
- CN106608891B CN106608891B CN201611129017.2A CN201611129017A CN106608891B CN 106608891 B CN106608891 B CN 106608891B CN 201611129017 A CN201611129017 A CN 201611129017A CN 106608891 B CN106608891 B CN 106608891B
- Authority
- CN
- China
- Prior art keywords
- chromium
- septichen
- substituent group
- containing substituent
- preparation
- 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.)
- Active
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 125000001424 substituent group Chemical group 0.000 title claims abstract description 48
- 239000011651 chromium Substances 0.000 title claims abstract description 42
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 82
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910001430 chromium ion Inorganic materials 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 27
- 150000003839 salts Chemical class 0.000 claims abstract description 11
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 42
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 41
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 claims description 29
- 238000003756 stirring Methods 0.000 claims description 28
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 21
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 21
- QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 claims description 19
- 238000009835 boiling Methods 0.000 claims description 17
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 16
- PYXSPTLIBJZHQW-UHFFFAOYSA-K chromium(3+);propanoate Chemical compound [Cr+3].CCC([O-])=O.CCC([O-])=O.CCC([O-])=O PYXSPTLIBJZHQW-UHFFFAOYSA-K 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 13
- 235000019441 ethanol Nutrition 0.000 claims description 12
- WYYQVWLEPYFFLP-UHFFFAOYSA-K chromium(3+);triacetate Chemical compound [Cr+3].CC([O-])=O.CC([O-])=O.CC([O-])=O WYYQVWLEPYFFLP-UHFFFAOYSA-K 0.000 claims description 11
- QOWZHEWZFLTYQP-UHFFFAOYSA-K chromium(3+);triformate Chemical compound [Cr+3].[O-]C=O.[O-]C=O.[O-]C=O QOWZHEWZFLTYQP-UHFFFAOYSA-K 0.000 claims description 10
- 229910021555 Chromium Chloride Inorganic materials 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
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000003495 polar organic solvent Substances 0.000 claims description 4
- 239000003960 organic solvent Substances 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims 3
- 125000000217 alkyl group Chemical group 0.000 claims 1
- QLNJFJADRCOGBJ-UHFFFAOYSA-N propionamide Chemical compound CCC(N)=O QLNJFJADRCOGBJ-UHFFFAOYSA-N 0.000 claims 1
- 229940080818 propionamide Drugs 0.000 claims 1
- 239000012046 mixed solvent Substances 0.000 abstract description 57
- 239000000047 product Substances 0.000 abstract description 37
- 238000005406 washing Methods 0.000 abstract description 19
- 239000006227 byproduct Substances 0.000 abstract description 16
- 239000002699 waste material Substances 0.000 abstract description 7
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- 239000000706 filtrate Substances 0.000 description 41
- 238000001914 filtration Methods 0.000 description 36
- 238000012360 testing method Methods 0.000 description 26
- 238000005070 sampling Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 150000004675 formic acid derivatives Chemical class 0.000 description 8
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical group OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 3
- XGRZWVWRMKAQNU-UHFFFAOYSA-K 2-carboxyphenolate;chromium(3+) Chemical compound [Cr+3].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O XGRZWVWRMKAQNU-UHFFFAOYSA-K 0.000 description 3
- 239000005711 Benzoic acid Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 235000010233 benzoic acid Nutrition 0.000 description 3
- 235000007831 chromium(III) chloride Nutrition 0.000 description 3
- AHXGRMIPHCAXFP-UHFFFAOYSA-L chromyl dichloride Chemical class Cl[Cr](Cl)(=O)=O AHXGRMIPHCAXFP-UHFFFAOYSA-L 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 3
- MBHINSULENHCMF-UHFFFAOYSA-N n,n-dimethylpropanamide Chemical class CCC(=O)N(C)C MBHINSULENHCMF-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 2
- 229910000423 chromium oxide Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- XMVJITFPVVRMHC-UHFFFAOYSA-N roxarsone Chemical group OC1=CC=C([As](O)(O)=O)C=C1[N+]([O-])=O XMVJITFPVVRMHC-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 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 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N Nitrogen dioxide Chemical class O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- GJRPOXSTHNULQK-UHFFFAOYSA-L [OH-].[Na+].[OH-].[Cr+3] Chemical compound [OH-].[Na+].[OH-].[Cr+3] GJRPOXSTHNULQK-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- KYRMFSOATGQQBV-UHFFFAOYSA-N chromium;2-hydroxybenzoic acid Chemical compound [Cr].OC(=O)C1=CC=CC=C1O KYRMFSOATGQQBV-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002240 furans Chemical class 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004900 laundering Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005649 metathesis reaction Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- WHQSYGRFZMUQGQ-UHFFFAOYSA-N n,n-dimethylformamide;hydrate Chemical compound O.CN(C)C=O WHQSYGRFZMUQGQ-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- XIPFMBOWZXULIA-UHFFFAOYSA-N pivalamide Chemical compound CC(C)(C)C(N)=O XIPFMBOWZXULIA-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000003462 sulfoxides Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F11/00—Compounds containing elements of Groups 6 or 16 of the Periodic Table
- C07F11/005—Compounds containing elements of Groups 6 or 16 of the Periodic Table compounds without a metal-carbon linkage
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611129017.2A CN106608891B (zh) | 2016-12-09 | 2016-12-09 | 一种含取代基的邻羟基苯甲酸铬的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611129017.2A CN106608891B (zh) | 2016-12-09 | 2016-12-09 | 一种含取代基的邻羟基苯甲酸铬的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106608891A CN106608891A (zh) | 2017-05-03 |
CN106608891B true CN106608891B (zh) | 2018-09-21 |
Family
ID=58636607
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611129017.2A Active CN106608891B (zh) | 2016-12-09 | 2016-12-09 | 一种含取代基的邻羟基苯甲酸铬的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106608891B (zh) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2885238B1 (ja) * | 1998-03-13 | 1999-04-19 | 東洋インキ製造株式会社 | 静電荷像現像用トナー、静電荷像現像用トナーに用いる荷電制御剤およびその製造方法 |
JP2003202707A (ja) * | 2002-01-07 | 2003-07-18 | Toyo Ink Mfg Co Ltd | 静電荷像現像用トナー |
CN103387493A (zh) * | 2013-07-05 | 2013-11-13 | 天津市化学试剂研究所 | 一种水杨酸铬的制备方法 |
CN103694362A (zh) * | 2013-12-19 | 2014-04-02 | 青岛农业大学 | 超声波辅助复合氧化剂合成氧化玉米淀粉的方法及合成物 |
CN104030918B (zh) * | 2014-06-20 | 2016-04-06 | 天津市合成材料工业研究所有限公司 | 金属络合-(3,5-二叔丁基水杨酸)的制备方法 |
CN105694524B (zh) * | 2016-01-28 | 2019-09-20 | 江苏盛吉化工有限公司 | 一种酸性黑172的制备方法 |
-
2016
- 2016-12-09 CN CN201611129017.2A patent/CN106608891B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN106608891A (zh) | 2017-05-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106632548B (zh) | 一种高纯度曲克芦丁及其制备方法 | |
CN105566215B (zh) | 一种瑞戈非尼的制备方法 | |
CN104672157A (zh) | 一种芳基三唑啉酮的制备方法 | |
CN105175218B (zh) | 一种二氯代对二甲苯环二体的制备方法 | |
CN104725252B (zh) | 一种制备溶剂蓝35的方法 | |
CN107586258A (zh) | 一种用于制备1‑萘甲酸的组合物、反应体系及方法 | |
CN107176625A (zh) | 一种硫酸四氨钯的生产方法 | |
CN102952043B (zh) | 一种叔丁基丙烯酰胺磺酸的合成方法 | |
CN106608891B (zh) | 一种含取代基的邻羟基苯甲酸铬的制备方法 | |
CN104817551B (zh) | 一种制备维生素b1盐酸盐的新方法 | |
CN103922993A (zh) | 一种工业助剂n-正丁基邻苯二甲酰亚胺的合成方法 | |
CN108623442B (zh) | 一种四氯苯醌制备中降低二噁英的方法 | |
CN106187741B (zh) | 5-碘-1,2,3-苯三甲酸的一种制备方法 | |
CN111253272B (zh) | 一种制备苯甲酰胺类化合物的方法 | |
JP5542655B2 (ja) | パラジウム(0)−ジベンジリデンアセトン錯体 | |
CN107129446A (zh) | 一种2‑丙烯酰胺基‑2‑甲基丙磺酸合成过程中降低硫酸根离子的工艺 | |
CN103275356A (zh) | 一种高性能、低钴含量硼酰化钴粘合增进剂的制备方法 | |
CN103833628B (zh) | 一种吡啶甲酸铬的合成方法 | |
CN103420935B (zh) | 一种处理糖精钠结晶母液的方法 | |
CN112209821A (zh) | 一种丙酸铬的制备方法 | |
CN101844996B (zh) | 制备2,5-二对氯苯胺基对苯二甲酸DpCTA的方法 | |
CN104311455B (zh) | 一种2‑丙烯酰胺基‑2‑甲基丙(烷)磺酸的制备方法 | |
CN104447290A (zh) | 一种制备2,4-二氯苯氧乙酸的方法 | |
CN103910695B (zh) | 一种非布索坦的合成方法 | |
JPS5851970B2 (ja) | 銅フタロシアニンの製造法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170503 Assignee: GUANGXI NANNING LVJING FUNCTIONAL POLYMER MATERIALS Co.,Ltd. Assignor: GUANGXI RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co.,Ltd. Contract record no.: X2023980046597 Denomination of invention: A preparation method of chromium ortho hydroxybenzoate containing substituents Granted publication date: 20180921 License type: Common License Record date: 20231108 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
CP01 | Change in the name or title of a patent holder |
Address after: 530001 No.7, beierli, Wangzhou Road, XiXiangTang District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI RESEARCH INSTITUTE OF CHEMICAL INDUSTRY Co.,Ltd. Address before: 530001 No.7, beierli, Wangzhou Road, XiXiangTang District, Nanning City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi Research Institute of Chemical Industry |
|
CP01 | Change in the name or title of a patent holder |