CN1460703A - 适用于200~240k制冷温区的多元混合工质节流制冷剂 - Google Patents
适用于200~240k制冷温区的多元混合工质节流制冷剂 Download PDFInfo
- Publication number
- CN1460703A CN1460703A CN 03121466 CN03121466A CN1460703A CN 1460703 A CN1460703 A CN 1460703A CN 03121466 CN03121466 CN 03121466 CN 03121466 A CN03121466 A CN 03121466A CN 1460703 A CN1460703 A CN 1460703A
- Authority
- CN
- China
- Prior art keywords
- group
- total mol
- mol concentration
- mixture
- concentration
- 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
- 238000005057 refrigeration Methods 0.000 title claims description 48
- 239000003507 refrigerant Substances 0.000 title abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 65
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims abstract description 28
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 claims abstract description 25
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 claims abstract description 22
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000001294 propane Substances 0.000 claims abstract description 14
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 claims abstract description 14
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims abstract description 13
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 13
- QYSGYZVSCZSLHT-UHFFFAOYSA-N octafluoropropane Chemical compound FC(F)(F)C(F)(F)C(F)(F)F QYSGYZVSCZSLHT-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229960004065 perflutren Drugs 0.000 claims abstract description 12
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 claims abstract description 10
- AFABGHUZZDYHJO-UHFFFAOYSA-N 2-Methylpentane Chemical compound CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 claims abstract description 9
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical compound CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 claims abstract description 8
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000126 substance Substances 0.000 claims abstract description 8
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims abstract description 6
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims abstract description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims abstract description 6
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 claims abstract description 6
- YHQXBTXEYZIYOV-UHFFFAOYSA-N 3-methylbut-1-ene Chemical compound CC(C)C=C YHQXBTXEYZIYOV-UHFFFAOYSA-N 0.000 claims abstract description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229960004692 perflenapent Drugs 0.000 claims abstract description 5
- NJCBUSHGCBERSK-UHFFFAOYSA-N perfluoropentane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F NJCBUSHGCBERSK-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052724 xenon Inorganic materials 0.000 claims abstract description 5
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims abstract description 5
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- IYABWNGZIDDRAK-UHFFFAOYSA-N allene Chemical compound C=C=C IYABWNGZIDDRAK-UHFFFAOYSA-N 0.000 claims abstract description 4
- UHCBBWUQDAVSMS-UHFFFAOYSA-N fluoroethane Chemical compound CCF UHCBBWUQDAVSMS-UHFFFAOYSA-N 0.000 claims abstract description 4
- WMIYKQLTONQJES-UHFFFAOYSA-N hexafluoroethane Chemical compound FC(F)(F)C(F)(F)F WMIYKQLTONQJES-UHFFFAOYSA-N 0.000 claims abstract description 4
- QKCGXXHCELUCKW-UHFFFAOYSA-N n-[4-[4-(dinaphthalen-2-ylamino)phenyl]phenyl]-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC=CC2=CC(N(C=3C=CC(=CC=3)C=3C=CC(=CC=3)N(C=3C=C4C=CC=CC4=CC=3)C=3C=C4C=CC=CC4=CC=3)C3=CC4=CC=CC=C4C=C3)=CC=C21 QKCGXXHCELUCKW-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 90
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 13
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
- 229960003132 halothane Drugs 0.000 claims description 3
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 abstract 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 abstract 2
- UJPMYEOUBPIPHQ-UHFFFAOYSA-N 1,1,1-trifluoroethane Chemical compound CC(F)(F)F UJPMYEOUBPIPHQ-UHFFFAOYSA-N 0.000 abstract 1
- PMPVIKIVABFJJI-UHFFFAOYSA-N Cyclobutane Chemical compound C1CCC1 PMPVIKIVABFJJI-UHFFFAOYSA-N 0.000 abstract 1
- 239000005977 Ethylene Substances 0.000 abstract 1
- XNMQEEKYCVKGBD-UHFFFAOYSA-N dimethylacetylene Natural products CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 abstract 1
- 239000001282 iso-butane Substances 0.000 abstract 1
- KAVGMUDTWQVPDF-UHFFFAOYSA-N perflubutane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)F KAVGMUDTWQVPDF-UHFFFAOYSA-N 0.000 abstract 1
- 229950003332 perflubutane Drugs 0.000 abstract 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 abstract 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- GVGCUCJTUSOZKP-UHFFFAOYSA-N nitrogen trifluoride Chemical class FN(F)F GVGCUCJTUSOZKP-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 6
- 239000000470 constituent Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 235000013844 butane Nutrition 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000006200 vaporizer Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000013256 coordination polymer Substances 0.000 description 3
- JKTORXLUQLQJCM-UHFFFAOYSA-N 4-phosphonobutylphosphonic acid Chemical compound OP(O)(=O)CCCCP(O)(O)=O JKTORXLUQLQJCM-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- -1 1,2-butylene Chemical group 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical group [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Lubricants (AREA)
Abstract
Description
项目 | 混合物1摩尔浓度% | 混合物2摩尔浓度% | 混合物3摩尔浓度% |
第1组 | 35(四氟甲烷25,三氟化氮10) | 40(四氟甲烷) | 50(三氟化氮) |
第2组 | 35(乙烷) | 25(全氟乙烯) | 20(二氟甲烷) |
第3组 | 25(丙烷) | 25(丙烷10,全氟丙烷15) | 15(全氟丙烷) |
第4组 | 5(2-甲基丁烷) | 10(1-丁烯2、异丁烷3、2-甲基丁烷5) | 15(2-甲基丁烷10,正丁烷5) |
高压/低压 | 1.8/0.3(MPa) | 1.8/0.4(MPa) | 2.2/0.5(MPa) |
COP | 0.356 | 0.647 | 1.04 |
CEF% | 17.8 | 32.4 | 52 |
项目 | 混合物1摩尔浓度% | 混合物2摩尔浓度% | 混合物3摩尔浓度% |
第1组 | 30(四氟甲烷25,三氟化氮5) | 35(四氟甲烷) | 45(三氟化氮) |
第2组 | 40(乙烯5、乙烷5、三氟甲烷5、氙5、氟代甲烷5、全氟乙烯5、氟乙烯5、全氟乙烷5) | 30(全氟乙烯) | 25(二氟甲烷) |
第3组 | 20(丙烷) | 20(丙烷10,全氟丙烷10) | 10(全氟丙烷) |
第4组 | 10(2-甲基丁烷) | 15(1-丁烯4、异丁烷3、2-甲基丁烷8) | 20(2-甲基丁烷10,正丁烷10) |
高压/低压 | 1.8/0.6(MPa) | 2.0/0.4(MPa) | 2.2/0.5(MPa) |
COP | 0.726 | 1.03 | 1.24 |
CEF% | 31.1 | 44.1 | 53.1 |
项目 | 混合物1摩尔浓度% | 混合物2摩尔浓度% | 混合物3摩尔浓度% |
第1组 | 25(四氟甲烷20,三氟化氮5) | 30(四氟甲烷) | 40(三氟化氮) |
第2组 | 45(氟代甲烷10、全氟乙烯10、氟乙烯10、全氟乙烷15) | 35(全氟乙烯) | 30(二氟甲烷) |
第3组 | 15(丙烷) | 15(丙烷5,全氟丙烷10) | 5(全氟丙烷) |
第4组 | 15(异丁烷5,2-甲基丁烷10) | 20(1-丁烯5、异丁烷5、2-甲基丁烷10) | 25(2-甲基丁烷10,正丁烷15) |
高压/低压 | 1.8/0.6(MPa) | 2.0/0.5(MPa) | 2.2/0.6(MPa) |
COP | 1.13 | 1.11 | 1.43 |
CEF% | 41.1 | 40.2 | 52.1 |
项目 | 混合物1摩尔浓度% | 混合物2摩尔浓度% | 混合物3摩尔浓度% |
第1组 | 20(四氟甲烷15,三氟化氮5) | 25(四氟甲烷) | 35(三氟化氮) |
第2组 | 50(氟代甲烷15、全氟乙烯10、氟乙烯10、全氟乙烷15) | 40(全氟乙烯) | 35(二氟甲烷) |
第3组 | 10(丙烷) | 10(丙烷5,全氟丙烷5) | 0 |
第4组 | 20(1-丁烯2、异丁烷2、2-甲基丁烷2、1-戊烯2、3-甲基-1-丁烯2、2-甲基戊烷1、2-丁烯(顺式)1、2-丁烯(反式)1、环丁烷1、异丁烯1、正丁烷1、全氟丁烷1、正戊烷1、全氟戊烷2) | 25(1-丁烯5、异丁烷10、2-甲基丁烷10) | 30(2-甲基丁烷10,正丁烷10、异丁烷10) |
高压/低压 | 1.8/0.6(MPa) | 2.0/0.5(MPa) | 2.2/0.7(MPa) |
COP | 1.562 | 1.433 | 1.67 |
CEF% | 47.5 | 43.6 | 50.8 |
项目 | 混合物1摩尔浓度% | 混合物2摩尔浓度% | 混合物3摩尔浓度% |
第1组 | 15(四氟甲烷10,三氟化氮5) | 18(四氟甲烷) | 30(三氟化氮) |
第2组 | 55(氟代甲烷15、全氟乙烯15、氟乙烯10、全氟乙烷15) | 45(全氟乙烯) | 40(二氟甲烷) |
第3组 | 2(丙烷) | 2(丙烷) | 5(全氟丙烷) |
第4组 | 28(异丁烷18,2-甲基丁烷10) | 35(1-丁烯15、异丁烷10、2-甲基丁烷10) | 25(2-甲基丁烷10,正丁烷15) |
高压/低压 | 2.0/0.6(MPa) | 2.0/0.5(MPa) | 2.1/0.7(MPa) |
COP | 1.778 | 1.52 | 1.91 |
CEF% | 44.5 | 38.2 | 47.8 |
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03121466 CN1194063C (zh) | 2002-05-17 | 2003-03-28 | 适用于200~240k制冷温区的多元混合工质节流制冷剂 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN02117335.4 | 2002-05-17 | ||
CN02117335 | 2002-05-17 | ||
CN 03121466 CN1194063C (zh) | 2002-05-17 | 2003-03-28 | 适用于200~240k制冷温区的多元混合工质节流制冷剂 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1460703A true CN1460703A (zh) | 2003-12-10 |
CN1194063C CN1194063C (zh) | 2005-03-23 |
Family
ID=29713020
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03121466 Expired - Lifetime CN1194063C (zh) | 2002-05-17 | 2003-03-28 | 适用于200~240k制冷温区的多元混合工质节流制冷剂 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1194063C (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100547050C (zh) * | 2007-04-13 | 2009-10-07 | 中国科学院理化技术研究所 | 一种适用于两级复叠制冷系统中低温级的混合制冷剂 |
CN101608860B (zh) * | 2008-06-17 | 2011-08-17 | 北京安瑞科新能能源科技有限公司 | 混合制冷剂气体液化工艺及混合制冷剂 |
CN102559146A (zh) * | 2010-12-17 | 2012-07-11 | 中科赛凌(北京)科技有限公司 | 适用于-80~-100℃深冷温度的不可燃混合制冷剂 |
CN105586009A (zh) * | 2014-10-29 | 2016-05-18 | 张永康 | 一种适用于-75度~-105度制冷温区的不可燃混合制冷剂 |
CN105885798A (zh) * | 2014-12-23 | 2016-08-24 | 张永康 | 一种适用于-105度~-135度制冷温区的不可燃混合制冷剂 |
CN108531135A (zh) * | 2018-04-10 | 2018-09-14 | 龙志刚 | 适用于深冷温区的混合制冷剂及其制备方法、应用方法 |
CN112778976A (zh) * | 2020-12-24 | 2021-05-11 | 青岛营上电器有限公司 | 一种低温制冷剂及其制备方法和应用 |
CN116606632A (zh) * | 2023-07-19 | 2023-08-18 | 中科美菱低温科技股份有限公司 | 制冷剂 |
-
2003
- 2003-03-28 CN CN 03121466 patent/CN1194063C/zh not_active Expired - Lifetime
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100547050C (zh) * | 2007-04-13 | 2009-10-07 | 中国科学院理化技术研究所 | 一种适用于两级复叠制冷系统中低温级的混合制冷剂 |
CN101608860B (zh) * | 2008-06-17 | 2011-08-17 | 北京安瑞科新能能源科技有限公司 | 混合制冷剂气体液化工艺及混合制冷剂 |
CN102559146A (zh) * | 2010-12-17 | 2012-07-11 | 中科赛凌(北京)科技有限公司 | 适用于-80~-100℃深冷温度的不可燃混合制冷剂 |
CN102559146B (zh) * | 2010-12-17 | 2014-05-07 | 中科赛凌(北京)科技有限公司 | 适用于-80~-100℃深冷温度的不可燃混合制冷剂 |
CN105586009A (zh) * | 2014-10-29 | 2016-05-18 | 张永康 | 一种适用于-75度~-105度制冷温区的不可燃混合制冷剂 |
CN105885798A (zh) * | 2014-12-23 | 2016-08-24 | 张永康 | 一种适用于-105度~-135度制冷温区的不可燃混合制冷剂 |
CN108531135A (zh) * | 2018-04-10 | 2018-09-14 | 龙志刚 | 适用于深冷温区的混合制冷剂及其制备方法、应用方法 |
CN108531135B (zh) * | 2018-04-10 | 2021-05-07 | 龙志刚 | 适用于深冷温区的混合制冷剂及其制备方法、应用方法 |
US11072733B2 (en) | 2018-04-10 | 2021-07-27 | Zhigang LONG | Mixed refrigerant for a cryogenic temperature range, and methods for preparing and applying the same |
CN112778976A (zh) * | 2020-12-24 | 2021-05-11 | 青岛营上电器有限公司 | 一种低温制冷剂及其制备方法和应用 |
CN116606632A (zh) * | 2023-07-19 | 2023-08-18 | 中科美菱低温科技股份有限公司 | 制冷剂 |
CN116606632B (zh) * | 2023-07-19 | 2023-10-20 | 中科美菱低温科技股份有限公司 | 制冷剂 |
Also Published As
Publication number | Publication date |
---|---|
CN1194063C (zh) | 2005-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1789367A (zh) | 适用于单机蒸气压缩式制冷装置制取双温的多元混和工质 | |
CN1137954C (zh) | 三成分混合制冷剂及采用这种制冷剂的热泵装置 | |
CN1292217C (zh) | 非共沸点混合冷媒,冷冻循环以及冷冻装置 | |
EP0650574B1 (en) | Cryogenic refrigerator with single stage compressor | |
CN1194063C (zh) | 适用于200~240k制冷温区的多元混合工质节流制冷剂 | |
RU2073058C1 (ru) | Озонобезопасная рабочая смесь | |
CN102778079B (zh) | 太阳能喷射与双级压缩联合热泵系统 | |
CN106766317A (zh) | 一种蒸汽压缩辅助过冷的co2跨临界制冷循环冷库 | |
CN1075977A (zh) | 制冷剂组合物及其应用方法 | |
CN1810914A (zh) | 适用于分凝式热泵循环系统的多元混合工质 | |
CN1189532C (zh) | 适用于中低温区的多元混合工质节流制冷剂 | |
CN1590924A (zh) | 冷凝器 | |
CN1757991A (zh) | 具有双致冷剂循环的空调 | |
Wang et al. | Investigation of potential benefits of compressor cooling | |
CN1285863C (zh) | 多压力级混合工质深冷节流制冷系统 | |
Yu et al. | Theoretical study of a transcritical ejector refrigeration cycle with refrigerant R143a | |
CN108489133B (zh) | 多级压缩混合工质制冷/液化系统 | |
CN1079107C (zh) | 一种适合于低温区用的低温混合工质节流制冷剂 | |
CN101445718A (zh) | 自复叠循环系统中含有n2o的混合工质 | |
CN211451439U (zh) | 跨临界二氧化碳双级压缩制冷和除霜系统 | |
CN102759218B (zh) | 一种压缩吸收耦合的自复叠低温制冷机 | |
CN206449926U (zh) | 一种蒸汽压缩辅助过冷的co2跨临界制冷循环冷库 | |
CN101434831A (zh) | 含有n2o的复叠制冷系统低温级混合工质及其制备方法 | |
Jiangfeng et al. | Review of CO2 heat pump and thermal management for pure electric vehicle | |
JPH08233386A (ja) | 熱交換器 |
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: CHINA-SCICOOLING (BEIJING) SCIENCE + TECHNOLOGY CO Free format text: FORMER OWNER: TECHNICAL INSTITUTE OF PHYSICS AND CHEMISTRY Effective date: 20121026 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100080 HAIDIAN, BEIJING TO: 102211 CHANGPING, BEIJING |
|
TR01 | Transfer of patent right |
Effective date of registration: 20121026 Address after: 102211 Beijing city Changping District town of Xiaotangshan Lin village before 386 Patentee after: CHINA-SCICOOLING (BEIJING) SCIENCE & TECHNOLOGY CO.,LTD. Address before: 100080 No. 2, north of Haidian District, Beijing, Zhongguancun Patentee before: Technical Institute of Physics and Chemistry Chinese Academy of Sciences |
|
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20031210 Assignee: ZHONGKE MEILING CRYOGENICS Ltd. Assignor: CHINA-SCICOOLING (BEIJING) SCIENCE & TECHNOLOGY CO.,LTD. Contract record no.: 2015340000122 Denomination of invention: Multicomponent mixed work medium throttling refrigerant applicable to 200-204K refrigerating temperature zone Granted publication date: 20050323 License type: Exclusive License Record date: 20150820 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CX01 | Expiry of patent term |
Granted publication date: 20050323 |
|
CX01 | Expiry of patent term |