CN102574063A - 用于向螺旋卷组件的外围施加胶带层的方法 - Google Patents
用于向螺旋卷组件的外围施加胶带层的方法 Download PDFInfo
- Publication number
- CN102574063A CN102574063A CN2010800473096A CN201080047309A CN102574063A CN 102574063 A CN102574063 A CN 102574063A CN 2010800473096 A CN2010800473096 A CN 2010800473096A CN 201080047309 A CN201080047309 A CN 201080047309A CN 102574063 A CN102574063 A CN 102574063A
- Authority
- CN
- China
- Prior art keywords
- adhesive tape
- spiral
- wound module
- length
- periphery
- 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
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000002390 adhesive tape Substances 0.000 claims description 100
- 239000012466 permeate Substances 0.000 claims description 21
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 description 16
- 239000010408 film Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 239000012530 fluid Substances 0.000 description 8
- -1 polypropylene Polymers 0.000 description 7
- 238000001728 nano-filtration Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 229920002492 poly(sulfone) Polymers 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000001471 micro-filtration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 238000012696 Interfacial polycondensation Methods 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 244000141353 Prunus domestica Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910001422 barium ion Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000002328 demineralizing effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000004779 membrane envelope Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
- B01D63/103—Details relating to membrane envelopes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
- B01D63/106—Anti-Telescopic-Devices [ATD]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/04—Tubular membranes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Adhesive Tapes (AREA)
Abstract
Description
Claims (9)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25512109P | 2009-10-27 | 2009-10-27 | |
US61/255,121 | 2009-10-27 | ||
PCT/US2010/052414 WO2011053452A1 (en) | 2009-10-27 | 2010-10-13 | Method for applying tape layer to outer periphery of spiral wound module |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102574063A true CN102574063A (zh) | 2012-07-11 |
CN102574063B CN102574063B (zh) | 2014-10-01 |
Family
ID=43221888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201080047309.6A Active CN102574063B (zh) | 2009-10-27 | 2010-10-13 | 用于向螺旋卷组件的外围施加胶带层的方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8142588B2 (zh) |
EP (1) | EP2493598B1 (zh) |
JP (1) | JP5763662B2 (zh) |
KR (1) | KR101788534B1 (zh) |
CN (1) | CN102574063B (zh) |
WO (1) | WO2011053452A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111437727A (zh) * | 2020-04-22 | 2020-07-24 | 北京工业大学 | 一种制作中空纤维膜组件均匀分布膜丝的方法及装置 |
CN113491949A (zh) * | 2020-03-21 | 2021-10-12 | 佛山市顺德区美的饮水机制造有限公司 | 反渗透膜元件及其制备方法和滤芯 |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8661648B2 (en) * | 2010-03-24 | 2014-03-04 | Dow Global Technologies Llc | Spiral wound filtration module |
CN103068472B (zh) | 2010-10-26 | 2015-04-29 | 陶氏环球技术有限责任公司 | 包括具不同渗透率区域的膜片的螺旋卷组件 |
CN102320129B (zh) * | 2011-06-22 | 2014-02-26 | 贵阳时代沃顿科技有限公司 | 反渗透膜片的焊接密封方法 |
EP2790818A1 (en) | 2012-03-02 | 2014-10-22 | Dow Global Technologies LLC | Multi-pass hyperfiltration system |
EP2958665B1 (en) | 2013-04-26 | 2018-07-04 | Dow Global Technologies LLC | Assembly including serially connected spiral wound modules with permeate flow controller |
WO2015153116A1 (en) | 2014-03-31 | 2015-10-08 | Dow Global Technologies Llc | Spiral wound membrane module with defined flow resistance sections within feed spacer |
US20170050149A1 (en) * | 2014-05-14 | 2017-02-23 | Dow Global Technologies Llc | Spiral wound module with integrated permeate flow controller |
CN104138714A (zh) * | 2014-08-22 | 2014-11-12 | 江苏正本净化节水科技实业有限公司 | 一种卷式膜组件 |
ES2694377T3 (es) | 2014-09-24 | 2018-12-20 | Dow Global Technologies Llc | Conjunto de filtración enrollado en espiral que incluye un biofiltro integral |
CN107074599B (zh) | 2014-10-29 | 2023-07-07 | Ddp 特种电子材料美国有限责任公司 | 包括超滤模块和阳离子交换树脂的水处理装置 |
WO2016167831A1 (en) | 2015-04-16 | 2016-10-20 | Dow Global Technologies Llc | Filtration assembly including spiral wound bioreactors and membrane modules positioned in separate pressure vessels |
US10286361B2 (en) | 2015-04-16 | 2019-05-14 | Dow Global Technologies Llc | Filtration assembly including spiral wound bioreactors and hyperfiltration membrane modules |
ES2777829T3 (es) | 2015-07-29 | 2020-08-06 | Ddp Specialty Electronic Mat Us Inc | Ensamblaje de filtro que incluye módulo de membrana en espiral y sello de salmuera |
KR102096766B1 (ko) | 2015-09-30 | 2020-04-03 | 다우 글로벌 테크놀로지스 엘엘씨 | 나선형 권선 모듈, 브라인 실 및 단부 캡을 포함하는 필터 어셈블리 |
EP3368482A4 (en) | 2015-10-30 | 2019-07-03 | Dow Global Technologies, LLC | MEMBRANE TREATMENT OF AMMONIA-CONTAINING WASTE WATER |
JP2019510623A (ja) | 2016-03-23 | 2019-04-18 | ダウ グローバル テクノロジーズ エルエルシー | バイオリアクターアセンブリ |
JP6966538B2 (ja) | 2016-08-31 | 2021-11-17 | ダウ グローバル テクノロジーズ エルエルシー | 統合された透過液監視を含む螺旋巻きモジュールアセンブリ |
WO2018187024A1 (en) | 2017-04-05 | 2018-10-11 | Dow Global Technologies Llc | Spiral wound module assembly including integrated pressure monitoring |
KR102585046B1 (ko) | 2017-07-27 | 2023-10-10 | 디디피 스페셜티 일렉트로닉 머티리얼즈 유에스, 엘엘씨 | 일체형 차압 모니터링을 포함하는 와권형 멤브레인 모듈 |
KR101966115B1 (ko) * | 2017-11-14 | 2019-04-05 | (주)피엔티 | 역삼투 필터 모듈 제조 장치 |
CN111989151B (zh) | 2018-01-15 | 2023-10-03 | Ddp特种电子材料美国有限责任公司 | 集成有限流器和传感器的螺旋卷式组件 |
KR20210118841A (ko) | 2019-01-29 | 2021-10-01 | 디디피 스페셜티 일렉트로닉 머티리얼즈 유에스, 엘엘씨 | 와권형 막 모듈의 용기 내의 압력차의 측정 |
WO2022026156A1 (en) | 2020-07-30 | 2022-02-03 | Ddp Specialty Electronic Materials Us, Llc | Spiral wound membrane modules with sensor and transmitter |
WO2023200663A1 (en) | 2022-04-15 | 2023-10-19 | Ddp Specialty Electronic Materials Us, Llc | Water treatment system with biocontactor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5882752A (en) * | 1993-12-10 | 1999-03-16 | Nissho Corp. | Wrapping pipe for a bundle of hollow fibers, method and device for production thereof |
JP2005279556A (ja) * | 2004-03-30 | 2005-10-13 | Nitto Denko Corp | スパイラル型分離膜エレメント |
CN1304093C (zh) * | 2002-12-25 | 2007-03-14 | 日东电工株式会社 | 生产螺旋形膜片件的方法 |
CN101384341A (zh) * | 2006-03-09 | 2009-03-11 | 日东电工株式会社 | 螺旋型膜元件及其制造方法 |
Family Cites Families (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3562050A (en) * | 1967-10-23 | 1971-02-09 | American Can Co | Method of applying a strip member to a cylindrical container body |
US4021351A (en) | 1975-10-30 | 1977-05-03 | Desalination Systems, Inc. | Membrane cartridge with improved central collection tube |
IL51212A (en) | 1976-01-14 | 1980-03-31 | Pall Corp | Filter elements and process for their continuous production by laydown of thermoplastic fibers on a preformed core to form a nonwoven cylindrical web |
US4277344A (en) | 1979-02-22 | 1981-07-07 | Filmtec Corporation | Interfacially synthesized reverse osmosis membrane |
JPS58146505U (ja) * | 1982-03-27 | 1983-10-01 | 日東電工株式会社 | スパイラル型膜分離装置 |
US4517085A (en) | 1983-09-15 | 1985-05-14 | Millipore Corporation | Filtration devices |
US4765897A (en) | 1986-04-28 | 1988-08-23 | The Dow Chemical Company | Polyamide membranes useful for water softening |
US4888116A (en) | 1987-01-15 | 1989-12-19 | The Dow Chemical Company | Method of improving membrane properties via reaction of diazonium compounds or precursors |
NL8901654A (nl) | 1989-06-29 | 1991-01-16 | Cordis Europ | Werkwijze voor het vervaardigen van catheter, en met deze werkwijze vervaardigde catheter. |
US4964998A (en) | 1989-12-13 | 1990-10-23 | Filmtec Corporation | Use of treated composite polyamide membranes to separate concentrated solute |
JPH0628703B2 (ja) * | 1990-04-27 | 1994-04-20 | 東レ株式会社 | スパイラル型液体分離素子 |
US5114582A (en) | 1991-04-12 | 1992-05-19 | W. R. Grace & Co.-Conn. | Filter element and spiral-wound membrane cartridge containing same |
US5108604A (en) | 1991-08-23 | 1992-04-28 | Desalination Systems, Inc. | Semipermeable membrane cartridge and method of making |
JP3261656B2 (ja) | 1992-05-01 | 2002-03-04 | フィルムテック コーポレーション | 渦巻状に巻かれた膜部材 |
US5266195A (en) | 1992-08-10 | 1993-11-30 | Desalination Systems, Inc. | Spiral wound separation device and method of making same |
US5380433A (en) * | 1993-06-01 | 1995-01-10 | E. I. Du Pont De Nemours And Company | Hollow fiber membrane separation device with a housing made from a flexible material |
US5755964A (en) | 1996-02-02 | 1998-05-26 | The Dow Chemical Company | Method of treating polyamide membranes to increase flux |
US5658460A (en) | 1996-05-07 | 1997-08-19 | The Dow Chemical Company | Use of inorganic ammonium cation salts to maintain the flux and salt rejection characteristics of reverse osmosis and nanofiltration membranes during drying |
US6066254A (en) | 1996-10-10 | 2000-05-23 | The Dow Chemical Company | Fluid filter assemblies with integral fluid seals |
US5876602A (en) | 1997-11-04 | 1999-03-02 | The Dow Chemical Company | Treatment of composite polyamide membranes to improve performance |
JP4201433B2 (ja) | 1999-06-07 | 2008-12-24 | 日東電工株式会社 | スパイラル型膜モジュールの製造方法 |
US6280853B1 (en) | 1999-06-10 | 2001-08-28 | The Dow Chemical Company | Composite membrane with polyalkylene oxide modified polyamide surface |
US6337018B1 (en) | 2000-04-17 | 2002-01-08 | The Dow Chemical Company | Composite membrane and method for making the same |
US6718853B2 (en) | 2002-04-24 | 2004-04-13 | C. G. Bretting Manufacturing Co., Inc. | Log saw apparatus and method |
US6881336B2 (en) | 2002-05-02 | 2005-04-19 | Filmtec Corporation | Spiral wound element with improved feed space |
US20050173319A1 (en) | 2003-05-02 | 2005-08-11 | Karl Fritze | Crossflow filtration system with quick dry change elements |
JP4465213B2 (ja) | 2004-03-29 | 2010-05-19 | 日東電工株式会社 | スパイラル型膜エレメント及びその製造方法 |
ES2365252T3 (es) | 2005-12-07 | 2011-09-27 | Dow Global Technologies Llc | Junta de sellado de punto de inserción para módulo enrollado en espiral. |
JP5090017B2 (ja) * | 2006-03-09 | 2012-12-05 | 日東電工株式会社 | スパイラル型膜エレメント及びその製造方法 |
US20070251883A1 (en) | 2006-04-28 | 2007-11-01 | Niu Q Jason | Reverse Osmosis Membrane with Branched Poly(Alkylene Oxide) Modified Antifouling Surface |
JP4838352B2 (ja) | 2006-05-12 | 2011-12-14 | ダウ グローバル テクノロジーズ エルエルシー | 改質膜 |
ES2366314T3 (es) | 2007-02-05 | 2011-10-19 | Dow Global Technologies Llc | Membrana de poliamida modificada. |
-
2010
- 2010-10-13 WO PCT/US2010/052414 patent/WO2011053452A1/en active Application Filing
- 2010-10-13 EP EP10771271.3A patent/EP2493598B1/en active Active
- 2010-10-13 JP JP2012536848A patent/JP5763662B2/ja active Active
- 2010-10-13 KR KR1020127013282A patent/KR101788534B1/ko active IP Right Grant
- 2010-10-13 US US12/903,245 patent/US8142588B2/en active Active
- 2010-10-13 CN CN201080047309.6A patent/CN102574063B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5882752A (en) * | 1993-12-10 | 1999-03-16 | Nissho Corp. | Wrapping pipe for a bundle of hollow fibers, method and device for production thereof |
CN1304093C (zh) * | 2002-12-25 | 2007-03-14 | 日东电工株式会社 | 生产螺旋形膜片件的方法 |
JP2005279556A (ja) * | 2004-03-30 | 2005-10-13 | Nitto Denko Corp | スパイラル型分離膜エレメント |
CN101384341A (zh) * | 2006-03-09 | 2009-03-11 | 日东电工株式会社 | 螺旋型膜元件及其制造方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113491949A (zh) * | 2020-03-21 | 2021-10-12 | 佛山市顺德区美的饮水机制造有限公司 | 反渗透膜元件及其制备方法和滤芯 |
CN111437727A (zh) * | 2020-04-22 | 2020-07-24 | 北京工业大学 | 一种制作中空纤维膜组件均匀分布膜丝的方法及装置 |
CN111437727B (zh) * | 2020-04-22 | 2022-04-19 | 北京工业大学 | 一种制作中空纤维膜组件均匀分布膜丝的方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
CN102574063B (zh) | 2014-10-01 |
US8142588B2 (en) | 2012-03-27 |
WO2011053452A1 (en) | 2011-05-05 |
KR101788534B1 (ko) | 2017-10-20 |
EP2493598B1 (en) | 2014-07-16 |
JP5763662B2 (ja) | 2015-08-12 |
JP2013508154A (ja) | 2013-03-07 |
US20110094660A1 (en) | 2011-04-28 |
EP2493598A1 (en) | 2012-09-05 |
KR20120096495A (ko) | 2012-08-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102574063B (zh) | 用于向螺旋卷组件的外围施加胶带层的方法 | |
CN102245283B (zh) | 具有增强折叠部的膜式叶扇小件 | |
AU2003245611B2 (en) | Blister protection for spiral wound elements | |
US10137416B2 (en) | Filter assembly including spiral wound membrane module and brine seal | |
US10717050B2 (en) | Spiral wound membrane module adapted for high recovery | |
US20070068864A1 (en) | Fold protection for spiral wound filter element | |
US20120103892A1 (en) | Separation module | |
CN102821837A (zh) | 螺旋卷过滤组件 | |
CN108025261B (zh) | 包括螺旋卷绕模块、盐水密封条和端盖的过滤器组合件 | |
CN106413863A (zh) | 具有集成式渗透物流量控制器的螺旋卷绕组件 | |
US20140076790A1 (en) | Central core element for a separator assembly | |
JP2004202371A (ja) | スパイラル型膜エレメントの製造方法 |
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 | ||
CP01 | Change in the name or title of a patent holder |
Address after: Delaware Patentee after: DDP special electronic materials USA Co.,Ltd. Address before: Delaware Patentee before: DDP special electronic materials American Co. |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230601 Address after: Delaware Patentee after: DDP special electronic materials American Co. Address before: Michigan, USA Patentee before: THE DOW CHEMICAL CO. Effective date of registration: 20230601 Address after: Michigan, USA Patentee after: THE DOW CHEMICAL CO. Address before: Michigan, USA Patentee before: Dow Global Technologies Llc |
|
TR01 | Transfer of patent right |