CN1800070A - α型高强石膏及其制备方法 - Google Patents
α型高强石膏及其制备方法 Download PDFInfo
- Publication number
- CN1800070A CN1800070A CN 200610037686 CN200610037686A CN1800070A CN 1800070 A CN1800070 A CN 1800070A CN 200610037686 CN200610037686 CN 200610037686 CN 200610037686 A CN200610037686 A CN 200610037686A CN 1800070 A CN1800070 A CN 1800070A
- Authority
- CN
- China
- Prior art keywords
- gypsum
- strength
- alpha type
- type high
- crystallization agent
- 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
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 89
- 239000010440 gypsum Substances 0.000 title claims abstract description 89
- 238000002360 preparation method Methods 0.000 title claims description 10
- 239000013078 crystal Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 19
- 239000000126 substance Substances 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 26
- 238000002425 crystallisation Methods 0.000 claims description 24
- 230000008025 crystallization Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 11
- 150000004683 dihydrates Chemical class 0.000 claims description 10
- 239000011734 sodium Substances 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 238000010411 cooking Methods 0.000 claims description 7
- -1 sodium alkyl benzene Chemical class 0.000 claims description 7
- 238000005056 compaction Methods 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 4
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 4
- 229940077388 benzenesulfonate Drugs 0.000 claims description 4
- 239000011575 calcium Substances 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 claims description 4
- 229910000360 iron(III) sulfate Inorganic materials 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 claims description 3
- 239000011654 magnesium acetate Substances 0.000 claims description 3
- 229940069446 magnesium acetate Drugs 0.000 claims description 3
- 235000011285 magnesium acetate Nutrition 0.000 claims description 3
- 229960005336 magnesium citrate Drugs 0.000 claims description 3
- 239000004337 magnesium citrate Substances 0.000 claims description 3
- 235000002538 magnesium citrate Nutrition 0.000 claims description 3
- OKUCEQDKBKYEJY-UHFFFAOYSA-N tert-butyl 3-(methylamino)pyrrolidine-1-carboxylate Chemical compound CNC1CCN(C(=O)OC(C)(C)C)C1 OKUCEQDKBKYEJY-UHFFFAOYSA-N 0.000 claims description 3
- PLSARIKBYIPYPF-UHFFFAOYSA-H trimagnesium dicitrate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O.[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O PLSARIKBYIPYPF-UHFFFAOYSA-H 0.000 claims description 3
- 238000001027 hydrothermal synthesis Methods 0.000 abstract description 5
- 238000011074 autoclave method Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 13
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 11
- 239000011507 gypsum plaster Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 7
- 239000011505 plaster Substances 0.000 description 7
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000001035 drying Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000001509 sodium citrate Substances 0.000 description 3
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 3
- 229940038773 trisodium citrate Drugs 0.000 description 3
- 206010011469 Crying Diseases 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- JFCQEDHGNNZCLN-UHFFFAOYSA-N glutaric acid Chemical compound OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 229940091250 magnesium supplement Drugs 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 244000248349 Citrus limon Species 0.000 description 1
- 235000005979 Citrus limon Nutrition 0.000 description 1
- 206010013786 Dry skin Diseases 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
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- DAJSVUQLFFJUSX-UHFFFAOYSA-M sodium;dodecane-1-sulfonate Chemical compound [Na+].CCCCCCCCCCCCS([O-])(=O)=O DAJSVUQLFFJUSX-UHFFFAOYSA-M 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
序号 | 二水石膏 | 媒晶剂 | 结晶尺寸 | 凝结时间(分) | 干抗压强度MPa | |
初凝 | 终凝 | |||||
1 | 天然石膏 | 硫酸铁异丁酸钠 | 30×80 | 6 | 12 | 24.0 |
2 | 天然石膏 | 硫酸铝柠檬酸钠 | 30×45 | 8 | 14 | 26.6 |
3 | 天然石膏 | MCM-I | 40×50 | 9 | 13 | 39.4 |
4 | 天然石膏 | MCM-III | 20×90 | 8 | 15 | 18.5 |
5 | 天然石膏 | 硫酸镁柠檬酸钠 | 30×60 | 5 | 16 | 15.7 |
6 | 脱硫石膏 | MCM-III | 40×40 | 11 | 17 | 30.2 |
7 | 脱硫石膏 | MCM-II | 30×80 | 6 | 14 | 12.3 |
8 | 脱硫石膏 | MCM-I | 35×75 | 7 | 14 | 19.1 |
9 | 磷石膏 | MCM-III | 30×45 | 8 | 12 | 23.0 |
10 | 磷石膏 | MCM-II | 40×45 | 10 | 15 | 35.8 |
11 | 磷石膏 | MCM-I | 30×60 | 9 | 14 | 20.2 |
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100376867A CN100345788C (zh) | 2006-01-10 | 2006-01-10 | α型高强石膏及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100376867A CN100345788C (zh) | 2006-01-10 | 2006-01-10 | α型高强石膏及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1800070A true CN1800070A (zh) | 2006-07-12 |
CN100345788C CN100345788C (zh) | 2007-10-31 |
Family
ID=36810332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100376867A Active CN100345788C (zh) | 2006-01-10 | 2006-01-10 | α型高强石膏及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100345788C (zh) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102603219A (zh) * | 2012-03-16 | 2012-07-25 | 武汉理工大学 | 利用磷石膏制备高活性半水石膏胶凝材料及石膏制品的工艺 |
CN102745923A (zh) * | 2011-04-22 | 2012-10-24 | 北京建筑材料科学研究总院有限公司 | 一种利用工业副产石膏生产α型半水石膏的工艺方法 |
CN103496935A (zh) * | 2013-09-25 | 2014-01-08 | 何建安 | 磷石膏重结晶发泡生产轻质砌块的方法 |
CN103664018A (zh) * | 2013-12-13 | 2014-03-26 | 太原理工大学 | 工业副产石膏直接蒸压生产α-半水石膏的装置和方法 |
CN103951297A (zh) * | 2014-04-16 | 2014-07-30 | 唐永波 | α型超高强石膏的制备方法 |
CN103979811A (zh) * | 2014-05-05 | 2014-08-13 | 天津大学 | 一种将烟气脱硫石膏转化为高强度α型半水石膏的方法 |
CN104355560A (zh) * | 2014-10-21 | 2015-02-18 | 金正大生态工程集团股份有限公司 | 一种α-高强石膏粉的生产方法 |
CN104386932A (zh) * | 2014-10-21 | 2015-03-04 | 北京科技大学 | 一种使用球团烟气脱硫石膏制备α-型高强石膏的方法 |
CN104628274A (zh) * | 2014-12-03 | 2015-05-20 | 昆明理工大学 | 一种磷石膏制备高强α半水石膏的方法及装置 |
CN105419150A (zh) * | 2015-11-29 | 2016-03-23 | 贵州开磷集团股份有限公司 | 一种用磷石膏制作α-半水石膏作为填料生产PVC型材的方法 |
CN107487995A (zh) * | 2016-06-12 | 2017-12-19 | 李国刚 | 一种利用磷石膏制备α型高强石膏的方法 |
CN110683779A (zh) * | 2019-11-18 | 2020-01-14 | 杭州归领医疗器械有限公司 | 医用外科级α半水硫酸钙的制备方法 |
CN111675530A (zh) * | 2020-06-02 | 2020-09-18 | 浙江大学 | 高致密度、高强度石膏陶瓷及其制备方法 |
CN113479924A (zh) * | 2021-07-29 | 2021-10-08 | 桂林理工大学 | 一种用于工业副产物石膏制备α高强石膏的转晶剂 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1026578C (zh) * | 1990-09-10 | 1994-11-16 | 山东省建筑科学研究院 | α-半水石膏的生产方法及设备 |
CN1084499A (zh) * | 1992-09-19 | 1994-03-30 | 王学波 | 高强度熟石膏的生产方法及其设备 |
CN1076675A (zh) * | 1993-02-20 | 1993-09-29 | 东南大学 | 生产高强α型半水石膏的设备 |
CN1362382A (zh) * | 2001-01-02 | 2002-08-07 | 曹光华 | 高强α-半水石膏的制备工艺 |
CN100347118C (zh) * | 2003-07-29 | 2007-11-07 | 同济大学 | 一种α型半水石膏的生产工艺及其设备 |
-
2006
- 2006-01-10 CN CNB2006100376867A patent/CN100345788C/zh active Active
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102745923A (zh) * | 2011-04-22 | 2012-10-24 | 北京建筑材料科学研究总院有限公司 | 一种利用工业副产石膏生产α型半水石膏的工艺方法 |
CN102603219A (zh) * | 2012-03-16 | 2012-07-25 | 武汉理工大学 | 利用磷石膏制备高活性半水石膏胶凝材料及石膏制品的工艺 |
CN103496935B (zh) * | 2013-09-25 | 2015-09-09 | 何建安 | 磷石膏重结晶发泡生产轻质砌块的方法 |
CN103496935A (zh) * | 2013-09-25 | 2014-01-08 | 何建安 | 磷石膏重结晶发泡生产轻质砌块的方法 |
CN103664018A (zh) * | 2013-12-13 | 2014-03-26 | 太原理工大学 | 工业副产石膏直接蒸压生产α-半水石膏的装置和方法 |
CN103664018B (zh) * | 2013-12-13 | 2015-09-09 | 太原理工大学 | 工业副产石膏直接蒸压生产α-半水石膏的装置和方法 |
CN103951297A (zh) * | 2014-04-16 | 2014-07-30 | 唐永波 | α型超高强石膏的制备方法 |
CN103951297B (zh) * | 2014-04-16 | 2016-03-30 | 唐永波 | α型超高强石膏的制备方法 |
CN103979811A (zh) * | 2014-05-05 | 2014-08-13 | 天津大学 | 一种将烟气脱硫石膏转化为高强度α型半水石膏的方法 |
CN104386932A (zh) * | 2014-10-21 | 2015-03-04 | 北京科技大学 | 一种使用球团烟气脱硫石膏制备α-型高强石膏的方法 |
CN104355560A (zh) * | 2014-10-21 | 2015-02-18 | 金正大生态工程集团股份有限公司 | 一种α-高强石膏粉的生产方法 |
CN104386932B (zh) * | 2014-10-21 | 2016-05-25 | 北京科技大学 | 一种使用球团烟气脱硫石膏制备α-型高强石膏的方法 |
CN104628274A (zh) * | 2014-12-03 | 2015-05-20 | 昆明理工大学 | 一种磷石膏制备高强α半水石膏的方法及装置 |
CN105419150A (zh) * | 2015-11-29 | 2016-03-23 | 贵州开磷集团股份有限公司 | 一种用磷石膏制作α-半水石膏作为填料生产PVC型材的方法 |
CN107487995A (zh) * | 2016-06-12 | 2017-12-19 | 李国刚 | 一种利用磷石膏制备α型高强石膏的方法 |
CN110683779A (zh) * | 2019-11-18 | 2020-01-14 | 杭州归领医疗器械有限公司 | 医用外科级α半水硫酸钙的制备方法 |
CN110683779B (zh) * | 2019-11-18 | 2021-07-16 | 杭州归领医疗器械有限公司 | 医用外科级α半水硫酸钙的制备方法 |
CN111675530A (zh) * | 2020-06-02 | 2020-09-18 | 浙江大学 | 高致密度、高强度石膏陶瓷及其制备方法 |
CN111675530B (zh) * | 2020-06-02 | 2021-07-06 | 浙江大学 | 高致密度、高强度石膏陶瓷及其制备方法 |
CN113479924A (zh) * | 2021-07-29 | 2021-10-08 | 桂林理工大学 | 一种用于工业副产物石膏制备α高强石膏的转晶剂 |
Also Published As
Publication number | Publication date |
---|---|
CN100345788C (zh) | 2007-10-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100345788C (zh) | α型高强石膏及其制备方法 | |
JP4658923B2 (ja) | 硫酸カルシウムを主成分とする組成物、およびその製造方法 | |
CN102617107B (zh) | 建筑淤土免烧陶粒及其制备方法 | |
CN102603219B (zh) | 利用磷石膏制备高活性半水石膏胶凝材料及石膏制品的工艺 | |
JP3376429B2 (ja) | 複合ボードの製造法 | |
CN103496877B (zh) | 一种混凝土内养护剂、其制备方法及使用方法 | |
CN103755322B (zh) | 低硅铁尾矿膨胀陶粒及其制备方法 | |
CN103435319A (zh) | 采用磷石膏制备的磷石膏基高强轻质砌块及其生产工艺 | |
CN102731000B (zh) | 利用半水和二水磷石膏生产建筑石膏粉的方法 | |
CN105040105A (zh) | 一种由牡蛎壳制备硫酸钙晶须的方法 | |
CN107572571A (zh) | 高强度片状α‑半水石膏的制备方法 | |
CN115321893A (zh) | 一种工程渣土免烧砖及其制备方法 | |
CN106116199A (zh) | 碱渣制工程土及其制备方法 | |
CN1296305C (zh) | 用电石渣为原料的水泥熟料及其干法生产方法 | |
CN104418579A (zh) | 一种利用造纸污泥制造的高强度无机复合板及其制造方法 | |
CN1686905A (zh) | 石膏与纤维干式拌合生产石膏-纤维集料的方法 | |
CN109734341A (zh) | 一种磷石膏物理化学增白及制备胶凝材料的方法 | |
CN103193441A (zh) | 一种矿渣蒸养砖的制备方法 | |
Hu et al. | Preparation and hardening performance of lightweight gypsum mortar based on desulfurization gypsum | |
CN107311599A (zh) | 一种抗震轻质空心砖及其制备方法 | |
WO2016060580A1 (ru) | Способ изготовления гипсового вяжущего | |
CN110952132B (zh) | 一种利用化学石膏制备硫酸钙晶须的方法及由其制备的硫酸钙晶须 | |
CN106938916A (zh) | 一种防霉砖及其制备方法 | |
CN115784685A (zh) | 一种再生轻骨料混凝土及其制备工艺 | |
Bin et al. | Preparation method of epoxy resin sand based permeable material |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: JIANGSU EFFUL NEW MATERIAL TECHNOLOGY SCIENCE AND Free format text: FORMER OWNER: NANJING EFFUL CO., LTD. Effective date: 20081107 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081107 Address after: Jiangsu Nanjing Dongshan Gaoqiao industrial concentration area Patentee after: ZHEJIANG EFFUL NEW MATERIAL SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: Jiangning District of Nanjing City, Jiangsu Province on the West Street square wells Patentee before: NANJING EFFUL Co.,Ltd. |
|
ASS | Succession or assignment of patent right |
Owner name: JIANGSU EFFUL SCIENCE AND TECHNOLOGIES CO., LTD. Free format text: FORMER OWNER: ZHEJIANG EFFUL NEW MATERIAL SCIENCE AND TECHNOLOGY CO., LTD. Effective date: 20140618 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 211103 NANJING, JIANGSU PROVINCE TO: 211161 NANJING, JIANGSU PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140618 Address after: 211161, No. 56, Hongli Road, Jiangning Development Zone, Jiangning District, Nanjing, Jiangsu, Binjiang Patentee after: JIANGSU EFFUL SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 211103 Dongshan Gaoqiao industrial concentration area, Jiangsu, Nanjing Patentee before: ZHEJIANG EFFUL NEW MATERIAL SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20060712 Assignee: JINQIAO WILMAR CHLOR-ALKALI (LIANYUNGANG) Co.,Ltd. Assignor: JIANGSU EFFUL SCIENCE AND TECHNOLOGY Co.,Ltd. Contract record no.: X2021980003086 Denomination of invention: a High strength gypsum and its preparation method Granted publication date: 20071031 License type: Common License Record date: 20210427 |
|
CP01 | Change in the name or title of a patent holder |
Address after: No. 56, Hongli Road, Jiangning Binjiang Development Zone, Jiangning District, Nanjing City, Jiangsu Province 211161 Patentee after: Yifu Technology Co.,Ltd. Address before: No. 56, Hongli Road, Jiangning Binjiang Development Zone, Jiangning District, Nanjing City, Jiangsu Province 211161 Patentee before: JIANGSU EFFUL SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |