CN101035605A - 用于分离物料混合物的薄膜及其制备方法 - Google Patents
用于分离物料混合物的薄膜及其制备方法 Download PDFInfo
- Publication number
- CN101035605A CN101035605A CNA2005800335377A CN200580033537A CN101035605A CN 101035605 A CN101035605 A CN 101035605A CN A2005800335377 A CNA2005800335377 A CN A2005800335377A CN 200580033537 A CN200580033537 A CN 200580033537A CN 101035605 A CN101035605 A CN 101035605A
- Authority
- CN
- China
- Prior art keywords
- film
- polyvinyl alcohol
- carrier layer
- layer
- solvent
- 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
- 238000000926 separation method Methods 0.000 title claims abstract description 31
- 239000000203 mixture Substances 0.000 title claims abstract description 24
- 239000012528 membrane Substances 0.000 title abstract description 11
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 33
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 28
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002904 solvent Substances 0.000 claims abstract description 13
- 239000003960 organic solvent Substances 0.000 claims abstract description 6
- 238000005373 pervaporation Methods 0.000 claims abstract description 5
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims description 16
- 230000007062 hydrolysis Effects 0.000 claims description 8
- 238000006460 hydrolysis reaction Methods 0.000 claims description 8
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 229920000642 polymer Polymers 0.000 claims description 6
- 230000000536 complexating effect Effects 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 229920002554 vinyl polymer Polymers 0.000 claims description 5
- 238000005304 joining Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims 1
- 229910010272 inorganic material Inorganic materials 0.000 claims 1
- 239000011147 inorganic material Substances 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 150000002902 organometallic compounds Chemical class 0.000 abstract 2
- 239000010408 film Substances 0.000 description 71
- 229940068984 polyvinyl alcohol Drugs 0.000 description 20
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 239000002184 metal Substances 0.000 description 8
- 238000002360 preparation method Methods 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 235000019441 ethanol Nutrition 0.000 description 5
- 230000008595 infiltration Effects 0.000 description 5
- 238000001764 infiltration Methods 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 239000013522 chelant Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000004697 chelate complex Chemical class 0.000 description 2
- 239000002738 chelating agent Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229920006254 polymer film Polymers 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- -1 that is Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/36—Pervaporation; Membrane distillation; Liquid permeation
- B01D61/362—Pervaporation
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0079—Manufacture of membranes comprising organic and inorganic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/022—Metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/024—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
- B01D71/381—Polyvinylalcohol
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Manufacturing & Machinery (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Dispersion Chemistry (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004053402.0 | 2004-11-05 | ||
DE102004053402A DE102004053402B3 (de) | 2004-11-05 | 2004-11-05 | Membran zur Trennung von Stoffgemischen und Verfahren zu ihrer Herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101035605A true CN101035605A (zh) | 2007-09-12 |
CN100509120C CN100509120C (zh) | 2009-07-08 |
Family
ID=35115839
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005800335377A Active CN100509120C (zh) | 2004-11-05 | 2005-09-07 | 用于分离物料混合物的薄膜及其制备方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7410065B2 (zh) |
EP (1) | EP1807175B1 (zh) |
CN (1) | CN100509120C (zh) |
AT (1) | ATE536928T1 (zh) |
DE (1) | DE102004053402B3 (zh) |
IL (1) | IL182846A (zh) |
WO (1) | WO2006048068A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104117290A (zh) * | 2014-07-03 | 2014-10-29 | 北京工业大学 | 一种分离芳烃/烷烃的MOFs管式杂化膜的制备方法 |
CN106925142A (zh) * | 2017-05-04 | 2017-07-07 | 中国矿业大学(北京) | 一种多分离层渗透汽化膜及其制备方法 |
TWI619750B (zh) * | 2011-06-22 | 2018-04-01 | 奇異電器公司 | 薄膜及其製造方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100041850A (ko) * | 2007-07-25 | 2010-04-22 | 리달 솔루테크 비.브이. | 친수성 막 |
CN102274693B (zh) * | 2011-05-30 | 2013-07-17 | 南京工业大学 | 一种制备有机渗透汽化膜的方法 |
WO2016010486A1 (en) * | 2014-07-16 | 2016-01-21 | National University Of Singapore | Membrane for removing moisture in the air |
CN107174966B (zh) * | 2017-06-29 | 2020-08-11 | 嘉兴晟源工业设计有限公司 | 一种渗透汽化膜的制备方法 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3864418A (en) * | 1973-03-12 | 1975-02-04 | Standard Oil Co | Process of separating complexable materials employing semipermeable polymer film |
US3951621A (en) * | 1973-05-30 | 1976-04-20 | Standard Oil Company | Process for separating one or more components of a gaseous mixture |
CH645391A5 (de) * | 1978-02-21 | 1984-09-28 | Ciba Geigy Ag | Polymere mit succinylobernsteinsaeureester-resten. |
US4200714A (en) * | 1978-10-04 | 1980-04-29 | Standard Oil Company (Indiana) | Olefin purification process for hydrogen contaminated streams |
DE3220570A1 (de) * | 1982-06-01 | 1983-12-01 | GFT Ingenieurbüro für Industrieanlagenbau, 6650 Homburg | Mehrschichtige membran und ihre verwendung zur trennung von fluessigkeitsgemischen nach dem pervaporationsverfahren |
US5127925A (en) * | 1982-12-13 | 1992-07-07 | Allied-Signal Inc. | Separation of gases by means of mixed matrix membranes |
JPS6354903A (ja) | 1986-08-26 | 1988-03-09 | Agency Of Ind Science & Technol | パ−ベ−パレ−シヨン用分離膜 |
US4941976A (en) * | 1987-09-17 | 1990-07-17 | Texaco Inc. | Dehydration of glycols |
US5004861A (en) * | 1988-07-05 | 1991-04-02 | Texaco Inc. | Process for pervaporization using membrane separating means |
US5062866A (en) * | 1988-10-13 | 1991-11-05 | Exxon Research And Engineering Co. | Polymeric membrane and process for separation of aliphatically unsaturated hydrocarbons |
US5015268A (en) * | 1988-10-13 | 1991-05-14 | Exxon Research And Engineering Co. | Polymeric membrane and process for separating aliphatically unsaturated hydrocarbons |
DE4004153C1 (en) * | 1990-02-10 | 1991-08-08 | Metallgesellschaft Ag, 6000 Frankfurt, De | Multilayered membrane with high sepn. performance - comprises carrier layer of polyamide, polyvinylidene-di:fluoride polyester or glass fibres porous supply and PVA sepn. layer |
US5141649A (en) * | 1991-10-07 | 1992-08-25 | Texaco Inc. | Novel membrane and method of separation |
AU6492696A (en) * | 1995-07-14 | 1997-02-18 | U.S. Environmental Protection Agency | Absorbent filled membranes for removal of volatile compounds from wastewater |
US5670051A (en) * | 1996-05-23 | 1997-09-23 | Membrane Technology And Research, Inc. | Olefin separation membrane and process |
US6451260B1 (en) * | 1997-08-26 | 2002-09-17 | Dyax Corp. | Method for producing microporous elements, the microporous elements thus produced and uses thereof |
US6062866A (en) * | 1998-03-27 | 2000-05-16 | Prom; James M. | Medical angioplasty model |
DE19910012C1 (de) | 1999-03-08 | 2001-01-18 | Ostthueringische Materialpruef | Verfahren zur Herstellung von Formkörpern |
DE10002692B4 (de) | 2000-01-22 | 2005-12-22 | Gkss-Forschungszentrum Geesthacht Gmbh | Verfahren und Vorrichtung zur Trennung von dampfförmigen Medien oder Gas-Dampf-Gemischen |
US6440309B1 (en) * | 2000-05-17 | 2002-08-27 | Yoram Cohen | Ceramic-supported polymer (CSP) pervaporation membrane |
US7138006B2 (en) * | 2003-12-24 | 2006-11-21 | Chevron U.S.A. Inc. | Mixed matrix membranes with low silica-to-alumina ratio molecular sieves and methods for making and using the membranes |
-
2004
- 2004-11-05 DE DE102004053402A patent/DE102004053402B3/de active Active
-
2005
- 2005-09-07 CN CNB2005800335377A patent/CN100509120C/zh active Active
- 2005-09-07 EP EP05778469A patent/EP1807175B1/de active Active
- 2005-09-07 AT AT05778469T patent/ATE536928T1/de active
- 2005-09-07 WO PCT/EP2005/009609 patent/WO2006048068A1/de active Application Filing
-
2007
- 2007-04-25 US US11/789,513 patent/US7410065B2/en active Active
- 2007-04-29 IL IL182846A patent/IL182846A/en not_active IP Right Cessation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI619750B (zh) * | 2011-06-22 | 2018-04-01 | 奇異電器公司 | 薄膜及其製造方法 |
CN104117290A (zh) * | 2014-07-03 | 2014-10-29 | 北京工业大学 | 一种分离芳烃/烷烃的MOFs管式杂化膜的制备方法 |
CN104117290B (zh) * | 2014-07-03 | 2016-04-20 | 北京工业大学 | 一种分离芳烃/烷烃的MOFs管式杂化膜的制备方法 |
CN106925142A (zh) * | 2017-05-04 | 2017-07-07 | 中国矿业大学(北京) | 一种多分离层渗透汽化膜及其制备方法 |
CN106925142B (zh) * | 2017-05-04 | 2020-09-01 | 中国矿业大学(北京) | 一种多分离层渗透汽化膜及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1807175A1 (de) | 2007-07-18 |
IL182846A (en) | 2010-11-30 |
US7410065B2 (en) | 2008-08-12 |
ATE536928T1 (de) | 2011-12-15 |
DE102004053402B3 (de) | 2006-06-01 |
CN100509120C (zh) | 2009-07-08 |
IL182846A0 (en) | 2007-08-19 |
EP1807175B1 (de) | 2011-12-14 |
US20070193946A1 (en) | 2007-08-23 |
WO2006048068A1 (de) | 2006-05-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101035605A (zh) | 用于分离物料混合物的薄膜及其制备方法 | |
Gao et al. | Organic solvent nanofiltration (OSN) membranes made from plasma grafting of polyethylene glycol on cross-linked polyimide ultrafiltration substrates | |
Zhang et al. | Self-assembly of polyelectrolyte multilayer pervaporation membranes by a dynamic layer-by-layer technique on a hydrolyzed polyacrylonitrile ultrafiltration membrane | |
He et al. | Performance improvement for thin-film composite nanofiltration membranes prepared on PSf/PSf-g-PEG blended substrates | |
CN108295666B (zh) | 一种自组装褶皱状rGO复合膜的制备方法 | |
Mahdavi et al. | Preparation of mixed matrix membranes made up of polysulfone and MIL-53 (Al) nanoparticles as promising membranes for separation of aqueous dye solutions | |
AU2012273299B2 (en) | Membrane with a layer comprising polyols and a metalorganic compound on a polyamide layer and its preparation | |
US20080290021A1 (en) | Composite Membrane and Its Use in Separation Processes | |
CN1010380B (zh) | 组合隔膜 | |
US7891499B2 (en) | Carbon membrane laminated body and method for manufacturing the same | |
CN112055609A (zh) | 用于脱盐的包含金属有机笼的薄膜纳米复合膜 | |
CN1039678C (zh) | 反渗透膜、其制备方法、及其应用 | |
CN112717706A (zh) | 金属有机框架zif-8膜、制备方法及其应用 | |
Lenk et al. | Polyelectrolyte multilayer membranes for pervaporation separation of aqueous-organic mixtures | |
CN103813981A (zh) | 碳膜的制造方法 | |
CN114515517A (zh) | 低温水相原位生长mof中间层的聚合物复合膜及制备和应用 | |
CN115430296A (zh) | 一种具有催化中间层的复合纳滤膜及其制备方法和应用 | |
CN1215899C (zh) | 一种高通量聚乙烯醇渗透汽化膜的制备方法 | |
CN1110354C (zh) | 聚酰胺反渗透复合膜及其制造方法 | |
Shin et al. | Solvent-resistant crosslinked polybenzimidazole membrane for use in enhanced molecular separation | |
CN1943845A (zh) | 聚丙烯酸-聚乙二醇/醋酸纤维素复合膜的制备方法 | |
CN1569317A (zh) | 聚酰胺复合膜的溶剂改性方法 | |
CN116116251B (zh) | 一种基于金属-酚酸涂层的复合纳滤膜及其制备方法和应用 | |
CN114367199B (zh) | 原位相转化法制备mof薄膜的方法及应用 | |
KR102233189B1 (ko) | 기체 분리막 및 그의 제조방법 |
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 | ||
C56 | Change in the name or address of the patentee |
Owner name: HELMHOLTS GEESTHACHT MATERIAL AND KUESTEN FORSCHUN Free format text: FORMER NAME: GEESTHACHT GKSS FORSCHUNG |
|
CP03 | Change of name, title or address |
Address after: German Hodges Dahl Patentee after: Geesthacht Gkss Forschung Address before: German white Patentee before: GKSS Research Centre Geesthacht GmbH |
|
C56 | Change in the name or address of the patentee |
Owner name: HELMHOLTZ ZENTRUM GEESTHACHI ZENTRUM FUR MATERIAL Free format text: FORMER NAME: HELMHOLTS GEESTHACHT MATERIAL AND KUESTEN FORSCHUNG ZENTRUM GMBH. |
|
CP03 | Change of name, title or address |
Address after: German white Patentee after: Helmholtz Zentrum Geesthachi Zentrum Fur Material and Seacoast Research Center Co., Ltd. Address before: German Hodges Dahl Patentee before: Geesthacht Gkss Forschung |