JP4231783B2 - 金属基体の腐食を抑制するための組成物及び方法 - Google Patents
金属基体の腐食を抑制するための組成物及び方法 Download PDFInfo
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- JP4231783B2 JP4231783B2 JP2003514043A JP2003514043A JP4231783B2 JP 4231783 B2 JP4231783 B2 JP 4231783B2 JP 2003514043 A JP2003514043 A JP 2003514043A JP 2003514043 A JP2003514043 A JP 2003514043A JP 4231783 B2 JP4231783 B2 JP 4231783B2
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- 239000000203 mixture Substances 0.000 title claims description 59
- 229910052751 metal Inorganic materials 0.000 title claims description 48
- 239000002184 metal Substances 0.000 title claims description 48
- 238000005260 corrosion Methods 0.000 title claims description 27
- 238000000034 method Methods 0.000 title claims description 27
- 230000007797 corrosion Effects 0.000 title claims description 26
- 230000002401 inhibitory effect Effects 0.000 title claims description 3
- 239000000758 substrate Substances 0.000 title description 24
- 239000002253 acid Substances 0.000 claims description 51
- 229920001661 Chitosan Polymers 0.000 claims description 50
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 41
- 229910052782 aluminium Inorganic materials 0.000 claims description 40
- 229910000838 Al alloy Inorganic materials 0.000 claims description 22
- DKPHLYCEFBDQKM-UHFFFAOYSA-H hexapotassium;1-phosphonato-n,n-bis(phosphonatomethyl)methanamine Chemical compound [K+].[K+].[K+].[K+].[K+].[K+].[O-]P([O-])(=O)CN(CP([O-])([O-])=O)CP([O-])([O-])=O DKPHLYCEFBDQKM-UHFFFAOYSA-H 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004094 surface-active agent Substances 0.000 claims description 6
- 239000002562 thickening agent Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 229920000137 polyphosphoric acid Polymers 0.000 claims 1
- 238000011282 treatment Methods 0.000 description 40
- 239000000243 solution Substances 0.000 description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 27
- 238000003756 stirring Methods 0.000 description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 12
- 239000012153 distilled water Substances 0.000 description 11
- 150000007513 acids Chemical class 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 150000001735 carboxylic acids Chemical class 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 8
- 150000003009 phosphonic acids Chemical class 0.000 description 7
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 229920002101 Chitin Polymers 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 238000013019 agitation Methods 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 239000012266 salt solution Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 241000238557 Decapoda Species 0.000 description 3
- 125000002843 carboxylic acid group Chemical group 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- NJRXVEJTAYWCQJ-UHFFFAOYSA-N thiomalic acid Chemical compound OC(=O)CC(S)C(O)=O NJRXVEJTAYWCQJ-UHFFFAOYSA-N 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 229940123973 Oxygen scavenger Drugs 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003599 detergent Substances 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 241000238424 Crustacea Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000007744 chromate conversion coating Methods 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 238000003381 deacetylation reaction Methods 0.000 description 1
- MSWZFWKMSRAUBD-IVMDWMLBSA-N glucosamine group Chemical group OC1[C@H](N)[C@@H](O)[C@H](O)[C@H](O1)CO MSWZFWKMSRAUBD-IVMDWMLBSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000007746 phosphate conversion coating Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000003396 thiol group Chemical class [H]S* 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/56—Treatment of aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D105/00—Coating compositions based on polysaccharides or on their derivatives, not provided for in groups C09D101/00 or C09D103/00
- C09D105/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Molecular Biology (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Chemical Treatment Of Metals (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
である。キトサンは、キチンより可溶化され易いので、本発明の方法で使用するのに好ましい。キトサンはまた、その原料であるキチンが、エビ、カニ及びロブスター等の海洋甲殻類の殻から得られるので、低コストポリマーである。
塩酸 0.50
キトサン 0.35
アミノトリ(メチレンホスホン)酸 0.15
水 99.00
上記の処理用組成物を以下の手順を用いて調製した。
塩酸 0.50
キトサン 0.35
メルカプトコハク酸 0.15
水 99.00
上記の処理用組成物を以下の手順を用いて調製した。
塩酸 0.50
キトサン 0.35
セバシン酸 0.15
2−ブトキシエタノール 7.50
水 91.50
上記の処理用組成物を以下の手順を用いて調製した。
塩酸 0.50
キトサン 0.35
アジピン酸 0.15
2−ブトキシエタノール 7.50
水 91.50
上記の処理用組成物を以下の手順を用いて調製した。
Claims (28)
- 金属表面の腐食を防止するのに有用な組成物であって、ホスホン酸、ポリホスホン酸及びそれらの混合物から成る群から選ばれる酸と反応させたキトサンを含んで成り、酸のキトサンに対する重量比が10%/90%〜90%/10%の範囲である組成物。
- 金属表面が、アルミニウム又はアルミニウム合金を含んで成る、請求項1に記載の組成物。
- 酸が、ホスホン酸基、ポリホスホン酸及びそれらの組み合わせから成る群から選ばれる2基以上の基を、その分子構造内に有する、請求項1に記載の組成物。
- 酸のキトサンに対する重量比が、20%〜80%である、請求項1に記載の組成物。
- 酸が、アミノトリ(メチレンホスホン)酸、アミノジ(メチレンホスホン)酸及びその混合物から成る群から選ばれる、請求項1に記載の組成物。
- 組成物が、溶媒、界面活性剤、増粘剤及びそれらの組み合わせから成る群から選ばれる材料を、吏に含んで成る、請求項1に記載の組成物。
- 金属表面が、アルミニウム又はアルミニウム合金を含んで成る、請求項3に記載の組成物。
- 酸のキトサンに対する重量比が、20%〜80%である、請求項3に記載の組成物。
- 酸が、アミノトリ(メチレンホスホン)酸、アミノジ(メチレンホスホン)酸及びその混合物から成る群から選ばれる、請求項3に.記載の組成物。
- 組成物が、溶煤、界面活性剤、増粘剤及びそれらの組み合わせから成る群から選ばれる材料を、更に含んで成る、請求項3に記載の組成物。
- 金属表面が、アルミニウム又はアルミニウム合金を含んで成る、請求項5に記載の組成物。
- 金属表面が、アルミニウム又はアルミニウム合金を含んで成る、請求項6に記載の組成物。
- 金属表面が、アルミニウム又はアルミニウム合金を含んで成る、請求項8に記載の組成物。
- 金属表面が、アルミニウム又はアルミニウム合金を含んで成る、請求項9に記載の組成物。
- 金属表面が、アルミニウム又はアルミニウム合金を含んで成る、請求項10に記載の組成物。
- 金属表面の腐食を防止する方法であって、その金属表面を、ホスホン酸、ポリホスホン酸及びそれらの混合物から成る群から選ばれる酸と反応させたキトサンを含んで成る組成物と接触させることを含んで成り、酸のキトサンに対する重量比が10%/90%〜90%/10%の範囲である方法。
- 金属表面が、アルミニウム又はアルミニウム合金を含んで成る、請求項16に記載の組成物。
- 酸が、ホスホン酸基から成る群から選ばれる2基以上の基を、その分子構造内に有する、請求項16に記載の方法。
- 酸のキトサンに対する重量比が、20%〜80%である、請求項16に記載の方法。
- 酸が、アミノトリ(メチレンホスホン)酸、アミノジ(メチレンホスホン)酸及びその混合物から成る群から選ばれる、請求項16に記載の方法。
- 紺成物が、溶媒、界面活性剤、増粘剤及びそれらの紺み合わせから成る群から選ばれる材料を、更に含んで成る、請求項16に記載の方法。
- 金属表面が、アルミニウム又はアルミニウム合金を含んで成る、請求項18に記載の組成物。
- 酸のキトサンに対する重量比が、20%〜80%である、請求項18に記載の方法。
- 酸が、アミノトリ(メチレンホスホン)酸、アミノジ(メチレンホスホン)酸及びその混合物から成る群から選ばれる、請求項18に記載の方法。
- 組成物が、溶媒、界面活性剤、増粘剤及びそれらの組み合わせから成る群から選ばれる材料を、更に含んで成る、請求項18に記載の方法。
- 金属表面が、アルミニウム又はアルミニウム合金を含んで成る、請求項20に記載の方法。
- 金属表面が、アルミニウム又はアルミニウム合金を含んで成る、請求項21に記載の方法。
- 金属表面が、アルミニウム又はアルミニウム合金を含んで成る、請求項23に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/906,370 US6508958B1 (en) | 2001-07-16 | 2001-07-16 | Composition and process for inhibiting corrosion of metallic substrates |
PCT/US2002/010627 WO2003008489A2 (en) | 2001-07-16 | 2002-04-04 | Composition and process for inhibiting corrosion of metallic substrates |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004536190A JP2004536190A (ja) | 2004-12-02 |
JP4231783B2 true JP4231783B2 (ja) | 2009-03-04 |
Family
ID=25422326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003514043A Expired - Fee Related JP4231783B2 (ja) | 2001-07-16 | 2002-04-04 | 金属基体の腐食を抑制するための組成物及び方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6508958B1 (ja) |
EP (1) | EP1406984B1 (ja) |
JP (1) | JP4231783B2 (ja) |
AU (1) | AU2002307125A1 (ja) |
DE (1) | DE60221017T2 (ja) |
ES (1) | ES2289166T3 (ja) |
TW (1) | TW573064B (ja) |
WO (1) | WO2003008489A2 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6689481B2 (en) * | 2000-11-10 | 2004-02-10 | Nihon Parkerizing Co., Ltd. | Aluminum alloy heat exchanger resistive to tobacco odor impregnation |
US6706214B2 (en) * | 2001-07-16 | 2004-03-16 | Gerald Wojcik | Composition and process for inhibiting corrosion of metallic substrates |
JP4081276B2 (ja) * | 2002-01-11 | 2008-04-23 | 日本パーカライジング株式会社 | 水性下地処理剤、下地処理方法および下地処理された材料 |
US7883738B2 (en) * | 2007-04-18 | 2011-02-08 | Enthone Inc. | Metallic surface enhancement |
ITMI20122229A1 (it) * | 2012-12-21 | 2014-06-22 | Campagnolo Srl | Componente di bicicletta comprendente un corpo in alluminio ed un corpo in materiale composito, e metodo di fabbricazione di tale componente |
JP2016527330A (ja) | 2013-05-24 | 2016-09-08 | メッツァ ファイバー オサケユキチュアMetsa Fibre Oy | ポリマーを修飾する方法 |
US10316415B2 (en) * | 2016-08-24 | 2019-06-11 | Baker Hughes, A Ge Company, Llc | Green high-efficiency corrosion inhibitor |
CN108642483A (zh) * | 2018-04-27 | 2018-10-12 | 哈尔滨工程大学 | 镁合金表面壳聚糖和磷酸盐复合转化膜成膜溶液及制备方法 |
CN115449781B (zh) * | 2022-08-15 | 2023-08-01 | 无锡茂源金属结构件有限公司 | 一种钢格栅防腐涂料及一种耐腐蚀钢格栅的表面处理方法 |
CN116706943B (zh) * | 2023-08-07 | 2023-10-24 | 武汉大学 | 一种基于分段调差系数的多个电解铝负荷协调控制方法 |
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US4964894A (en) | 1986-03-31 | 1990-10-23 | Freepons Donald E | Plant growth regulators derived from chitin |
JPS632924A (ja) * | 1986-06-20 | 1988-01-07 | Dai Ichi Kogyo Seiyaku Co Ltd | 水虫治療用被覆材 |
JPS6370702A (ja) * | 1986-09-10 | 1988-03-30 | セイレイ工業株式会社 | 雪圧縮装置 |
JPH0623203B2 (ja) * | 1986-09-17 | 1994-03-30 | 大日精化工業株式会社 | 安定化キトサン |
JPS63198903A (ja) * | 1987-02-14 | 1988-08-17 | 大日精化工業株式会社 | 種子用着色剤 |
US6174999B1 (en) | 1987-09-18 | 2001-01-16 | Genzyme Corporation | Water insoluble derivatives of polyanionic polysaccharides |
JPH01233825A (ja) * | 1988-03-14 | 1989-09-19 | Victor Co Of Japan Ltd | 巡回型ノイズリデューサ回路 |
JP2511345B2 (ja) * | 1991-07-23 | 1996-06-26 | 株式会社すかいらーく | 生鮮物の鮮度保持剤とその用法 |
US5708152A (en) | 1992-03-27 | 1998-01-13 | Ciba Specialty Chemicals Corporation | N-substituted chitosan derivatives in a process for their preparation |
JP3195438B2 (ja) * | 1992-10-05 | 2001-08-06 | 第一製薬株式会社 | 食品添加剤 |
US5328939A (en) * | 1993-04-27 | 1994-07-12 | Alliedsignal Inc. | Rigid materials having high surface area and low density |
JPH0812514A (ja) * | 1993-08-12 | 1996-01-16 | Suetsuna Yoko | ペプチド、キトサン及び有機酸塩を含有することを特徴と する植物病害防除剤 |
EP0713882B1 (de) * | 1994-11-24 | 1998-12-30 | Ciba SC Holding AG | Phosphonomethylierte Chitosane |
US5900479A (en) | 1995-05-05 | 1999-05-04 | Virginia Tech Intellectual Properties, Inc. | Chitin-based coatings |
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US6194531B1 (en) | 1996-06-05 | 2001-02-27 | Nippon Shokubai Co., Ltd. | Method for production of cross-linked polymer |
EP0928809B1 (en) | 1996-08-30 | 2003-10-22 | Meito Sangyo Kabushiki Kaisha | Polysaccharide derivative/magnetic metal oxide composite |
US5827610A (en) | 1997-01-10 | 1998-10-27 | E. I. Du Pont De Nemours And Company | Chitosan-coated pulp, a paper using the pulp, and a process for making them |
US6187902B1 (en) | 1997-12-25 | 2001-02-13 | Nippon Shokubai Co., Ltd. | Production process of hydrophilic crosslinked polymer |
JP2000178773A (ja) | 1998-12-10 | 2000-06-27 | Shin Etsu Chem Co Ltd | 防錆組成物 |
-
2001
- 2001-07-16 US US09/906,370 patent/US6508958B1/en not_active Expired - Lifetime
-
2002
- 2002-04-04 EP EP02787176A patent/EP1406984B1/en not_active Expired - Lifetime
- 2002-04-04 ES ES02787176T patent/ES2289166T3/es not_active Expired - Lifetime
- 2002-04-04 DE DE60221017T patent/DE60221017T2/de not_active Expired - Lifetime
- 2002-04-04 WO PCT/US2002/010627 patent/WO2003008489A2/en active IP Right Grant
- 2002-04-04 AU AU2002307125A patent/AU2002307125A1/en not_active Abandoned
- 2002-04-04 JP JP2003514043A patent/JP4231783B2/ja not_active Expired - Fee Related
- 2002-04-29 TW TW91108863A patent/TW573064B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2289166T3 (es) | 2008-02-01 |
WO2003008489A3 (en) | 2003-04-10 |
EP1406984A2 (en) | 2004-04-14 |
DE60221017T2 (de) | 2007-10-11 |
US6508958B1 (en) | 2003-01-21 |
WO2003008489A2 (en) | 2003-01-30 |
TW573064B (en) | 2004-01-21 |
EP1406984A4 (en) | 2004-08-04 |
JP2004536190A (ja) | 2004-12-02 |
DE60221017D1 (de) | 2007-08-16 |
EP1406984B1 (en) | 2007-07-04 |
AU2002307125A1 (en) | 2003-03-03 |
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