US20080020145A1 - Method For Depositing Anti-Corrosive Coating Onto Metal Surface - Google Patents

Method For Depositing Anti-Corrosive Coating Onto Metal Surface Download PDF

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Publication number
US20080020145A1
US20080020145A1 US11/629,403 US62940305A US2008020145A1 US 20080020145 A1 US20080020145 A1 US 20080020145A1 US 62940305 A US62940305 A US 62940305A US 2008020145 A1 US2008020145 A1 US 2008020145A1
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United States
Prior art keywords
metal
metal oxide
layer
coating according
metal hydroxide
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Abandoned
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US11/629,403
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English (en)
Inventor
Gregory Pipko
Asher Vitner
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PIGMENTAN Ltd
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Individual
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Priority to US11/629,403 priority Critical patent/US20080020145A1/en
Publication of US20080020145A1 publication Critical patent/US20080020145A1/en
Assigned to PIGMENTAN LTD reassignment PIGMENTAN LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PIPKO, GREGORY, VITNER, ASHER
Abandoned legal-status Critical Current

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    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • C23F11/10—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids using organic inhibitors
    • C23F11/167—Phosphorus-containing compounds
    • 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
    • C23C22/60—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 alkaline aqueous solutions with pH greater than 8
    • C23C22/62—Treatment of iron or alloys based thereon
    • 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
    • C23C22/60—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 alkaline aqueous solutions with pH greater than 8
    • C23C22/66—Treatment of aluminium or alloys based thereon

Definitions

  • the invention provides a method for depositing a stable anti-corrosive metal oxide and/or metal hydroxide layer onto a metal surface.
  • the invention further provides a stable anti-corrosive coating layer on a metal object, which layer comprises metal oxide and/or metal hydroxide.
  • the corrosion protective element in paints is generally an anti-corrosive pigment (a corrosion inhibitor) based on chromates. These pigments usually include heavy metals salts, which hinder the corrosion of the metal surface. Zinc compounds such as zinc phosphate and zinc chromate are currently widely used as anti-corrosive pigments. Zinc is a heavy metal element and is considered to be toxic at certain concentrations. Due to the growing awareness of the environmental damage associated with heavy metal products, there is an industrial need for effective anti-corrosive coating methods based on non heavy metals, non-toxic agents.
  • this invention provides a method for depositing a stable anti-corrosive metal oxide and/or metal hydroxide layer onto a metal surface including the step of contacting the metal surface with a mixture including, inter alia, a phosphoric acid and/or an inorganic phosphate and a metal oxide and/or a metal hydroxide, thereby depositing the metal oxide and/or the metal hydroxide layer onto the metal surface.
  • this invention provides a method for depositing a stable anti-corrosive metal oxide and/or metal hydroxide layer onto a metal surface including the step of contacting the metal surface with a mixture including, inter alia, an organic amine, a phosphoric acid and/or an inorganic phosphate and a metal oxide and/or a metal hydroxide, thereby depositing the metal oxide and/or the metal hydroxide layer onto the metal surface.
  • this invention provides a stable anti-corrosive coating layer on a metal object, which layer comprises metal oxide and/or metal hydroxide whereby the layer is obtained by contacting the surface of the object with a mixture including, inter alia, a phosphoric acid and/or an inorganic phosphate and a metal oxide and/or a metal hydroxide.
  • this invention provides a stable anti-corrosive coating layer on a metal object, which layer comprises metal oxide and/or metal hydroxide whereby the layer is obtained by contacting the surface of the object with a mixture including, inter alia, an organic amine, a phosphoric acid and/or an inorganic phosphate and a metal oxide and/or a metal hydroxide.
  • FIG. 1 shows an Auger spectrum (left); a depth profile chart (middle); and an element concentration table (right) of a Fe reference sample, according to embodiments of the invention
  • FIG. 2 shows an Auger spectrum (left); a depth profile chart (middle); and an element concentration table (right) of a Fe sample after 14 days in NaCl 5%, according to embodiments of the invention
  • FIG. 3 shows an Auger spectrum (left); a depth profile chart (middle); and an element concentration table (right) of a Fe sample after 14 days in NaCl 5%+ZnP 3%, according to embodiments of the invention
  • FIG. 4 shows an Auger spectrum (left); a depth profile chart (middle); and an element concentration table (right) of a Fe sample after 14 days in NaCl 5%+ZnCr 3%, according to embodiments of the invention
  • FIG. 5 shows an Auger spectrum (left); a depth profile chart (middle); and an element concentration table (right) of a Fe sample after 14 days in NaCl 5%+E 3%, according to embodiments of the invention
  • FIG. 6 shows an Auger spectrum (left); a depth profile chart (middle); and an element concentration table (right) of a Fe sample after 14 days in NaCl 5%+M 3%, according to embodiments of the invention
  • FIG. 7 shows an Auger spectrum (left); a depth profile chart (middle); and an element concentration table (right) of an aluminum reference sample, according to embodiments of the invention
  • FIG. 8 shows an Auger spectrum (left); a depth profile chart (middle); and an element concentration table (right) of an aluminum sample after 14 days in NaCl 5%+ZnP 3%, according to embodiments of the invention
  • FIG. 9 shows an Auger spectrum (left); a depth profile chart (middle); and an element concentration table (right) of an aluminum sample after 14 days in NaCl 5%+ZnCr 3%, according to embodiments of the invention.
  • FIG. 10 shows an Auger spectrum (left); a depth profile chart (middle); and an element concentration table (right) of an aluminum sample after 14 days in NaCl 5%+E 3%, according to embodiments of the invention
  • FIG. 11 shows an Auger spectrum (left); a depth profile chart (middle); and an element concentration table (right) of an aluminum sample after 14 days in NaCl 5%+M 3%, according to embodiments of the invention
  • this invention provides a method for depositing a stable anti-corrosive metal oxide and/or metal hydroxide layer onto a metal surface including the step of contacting the metal surface with a mixture including, inter alia, a phosphoric acid and/or an inorganic phosphate and a metal oxide and/or a metal hydroxide, thereby depositing the metal oxide and/or the metal hydroxide layer onto the metal surface.
  • this invention provides a method for depositing a stable anti-corrosive metal oxide and/or metal hydroxide layer onto a metal surface including the step of contacting the metal surface with a mixture including, inter alia, an organic amine, a phosphoric acid and/or an inorganic phosphate and a metal oxide and/or a metal hydroxide, thereby depositing the metal oxide and/or the metal hydroxide layer onto the metal surface.
  • this invention provides a stable anti-corrosive coating layer on a metal object, which layer comprises metal oxide and/or metal hydroxide whereby the layer is obtained by contacting the surface of the object with a mixture including, inter alia, a phosphoric acid and/or an inorganic phosphate and a metal oxide and/or a metal hydroxide.
  • this invention provides a stable anti-corrosive coating layer on a metal object, which layer comprises metal oxide and/or metal hydroxide whereby the layer is obtained by contacting the surface of the object with a mixture including, inter alia, an organic amine, a phosphoric acid and/or an inorganic phosphate and a metal oxide and/or a metal hydroxide.
  • the organic amine and the phosphoric acid and/or inorganic phosphate may react to form an organic phosphate.
  • the organic phosphate may react with the metal oxide and/or metal hydroxide to form oxiaminophosphate.
  • the oxiaminophosphate is an oxiaminophosphate of a metal.
  • the metal magnesium is another embodiment of the organic phosphate.
  • the mixture may include, inter alia, 1-5% of oxiaminophosphate. In another embodiment, the mixture may include, inter alia, 1-3% of oxiaminophosphate. In another embodiment, the mixture may include, inter alia, 3-5% of oxiaminophosphate. In another embodiment, the mixture may include, inter alia, 3% of oxiaminophosphate.
  • the oxiaminophosphate is obtained by adding phosphoric acid and/or inorganic phosphate (4-20%) to water (60-80%) containing an organic amine (2-10%) and then adding metal oxide and/or metal hydroxide (6-25%).
  • 4-10% of phosphoric acid and/or inorganic phosphate are added to water.
  • 5-15% of phosphoric acid and/or inorganic phosphate are added to water.
  • the water contains 2-5% of organic amine.
  • the water contains 3-7% of organic amine.
  • 6-10% of metal oxide and/or metal hydroxide are added to the water.
  • 10-15% of metal oxide and/or metal hydroxide are added to the water.
  • 15-25% of metal oxide and/or metal hydroxide are added to the water.
  • the organic amine may be, inter alia, a quaternary amine.
  • the organic amine may be, inter alia, morpholine, dicyclohexylamine, ethanolamine, an aliphatic amine, an aromatic amine, melamine, hexamethylentetramine, pentamethylentetramine or any combination thereof.
  • the ethanolamine may be mono, di or tri ethanolamine, or any combination thereof.
  • the compound selected from the group consisting of a metal oxide and a metal hydroxide may be formed in solution by adding a base to a metal salt solution.
  • the metal of the metal oxide and/or metal hydroxide may be, inter alia, magnesium, calcium, iron, zinc, molybdenum, aluminum or any combination thereof.
  • the metal may be, inter alia, magnesium.
  • the metal oxide may be, inter alia, MgO.
  • the metal hydroxide may be, inter alia, Mg(OH) 2 .
  • the mixture may be, inter alia, a solution, emulsion suspension or slurry. In another embodiment, the mixture may be, inter alia, an aqueous mixture.
  • the thickness of the layer may be between 1-100 nm (nanometer). In another embodiment, the thickness of the layer may be between 5-60 nm. In another embodiment, the thickness of the layer may be between 10-50 nm. In another embodiment, the thickness of the layer may be between 10-20 nm.
  • the mixture may further include, inter alia, surface active agent, anti-corrosive agents, bactericides, colorants, or a combination thereof.
  • the metal surface may include, inter alia, iron, magnesium, aluminum or any combination thereof.
  • the metal object may include, inter alia, iron, magnesium, aluminum or any combination thereof.
  • the metal object may be, inter alia, a metal plate or a metal sheet.
  • Samples of steel were immersed in solutions of 5% NaCl with or without corrosion inhibitors for a period of two weeks and were then removed and washed with treated water. Surface analysis was performed using Auger electron spectroscopy.
  • the thickness of the oxide layer was approximately 7 nm ( FIG. 1 ).
  • the thickness of the oxide layer was over 50 nm ( FIG. 2 ).
  • E represents an oxyaminophosphate of magnesium which was prepared by adding phosphoric acid (4-20%) to water (60-80%) containing monoethanol amine (2-10%) and then adding MgO (6-25%).
  • M represents an oxyaminophosphate of magnesium which was prepared by adding phosphoric acid (4-20%) to water (60-80%) containing melamine (2-10%) and then adding MgO (6-25%).
  • Samples of aluminum were immersed in solutions of 5% NaCl with or without corrosion inhibitors for a period of two weeks and were then removed and washed with treated water. Surface analysis was performed using Auger electron spectroscopy.
  • the depth profile shows a layer of aluminum oxide and/or hydroxide on the surface area having a thickness of approximately 8 nm having a distinctive border with the aluminum ( FIG. 7 ).
  • the depth profile shows a layer of aluminum oxide and/or hydroxide on the surface area having a thickness of over 30 nm having no distinctive border with the aluminum. The results show that corrosion of the aluminum was formed. Zinc was found through a 2 nm depth from the surface area and phosphorous was found through a 6 nm depth from the surface area, showing that the ZnP does not provide a sufficient protection to the surface area. ( FIG. 8 )
  • the depth profile shows a layer of aluminum oxide and/or hydroxide on the surface area having a thickness of approximately 12 nm having a distinctive border with the aluminum.
  • Zinc was found through a 2 nm depth from the surface area and phosphorous was found through a 5 nm depth from the surface area. Even though 13% of chromium is present on the surface area, its concentration at a depth of 2 nm is about 1%. The results show that a 2 nm layer of chromate was formed ( FIG. 9 )
  • the depth profile and the surface analysis show that two layers were formed: one layer comprising oxidized aluminum, oxidized magnesium and phosphorous, the thickness of which layer is approximately 15 nm; and a second layer comprised of aluminum oxide of about 15 micron depth from the surface area ( FIG. 10 ).

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical Treatment Of Metals (AREA)
US11/629,403 2004-06-14 2005-06-14 Method For Depositing Anti-Corrosive Coating Onto Metal Surface Abandoned US20080020145A1 (en)

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US57885304P 2004-06-14 2004-06-14
US11/629,403 US20080020145A1 (en) 2004-06-14 2005-06-14 Method For Depositing Anti-Corrosive Coating Onto Metal Surface
PCT/IL2005/000623 WO2005120722A2 (en) 2004-06-14 2005-06-14 Method for depositing anti-corrosive coating onto metal surface

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090020186A1 (en) * 2004-11-29 2009-01-22 Gregory Pipko Methods of preventing corrosion
US20110143154A1 (en) * 2009-12-11 2011-06-16 Wagh Arun S Inorganic phosphate corrosion resistant coatings
WO2011075712A2 (en) * 2009-12-18 2011-06-23 Latitude 18, Inc. Inorganic phosphate corrosion resistant coatings
US20110155137A1 (en) * 2009-12-30 2011-06-30 3M Innovative Properties Company Filtering face-piece respirator having an auxetic mesh in the mask body
US8167995B2 (en) 2008-06-12 2012-05-01 Latitude 18, Inc. Inorganic phosphate resins and method for their manufacture
US8425717B2 (en) 2010-02-09 2013-04-23 Latitude 18, Inc. Phosphate bonded composites and methods
US20130139930A1 (en) * 2009-12-18 2013-06-06 Latitude 18, Inc. Inorganic phosphate corrosion resistant coatings
WO2014126585A1 (en) * 2013-02-15 2014-08-21 Latitude 18, Inc. Inorganic phosphate ceramics and coatings
US8858702B2 (en) 2009-12-11 2014-10-14 Latitude 18, Inc. Inorganic phosphate compositions and methods
US20150120870A1 (en) * 2013-10-25 2015-04-30 Joseph Schuman Media distribution network, associated program products, and methods of using the same
CN107685008A (zh) * 2017-09-26 2018-02-13 江苏固格澜栅防护设施有限公司 一种金属护栏表面涂层防护方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080302267A1 (en) * 2007-06-05 2008-12-11 Defalco Frank G Compositions and processes for deposition of metal ions onto surfaces of conductive substrates
CN102114463B (zh) * 2011-03-02 2013-08-07 康海燕 一种减少氧化物涂层氚滞留的方法
GB2572764B (en) * 2018-04-09 2023-06-07 Applied Graphene Mat Uk Ltd Corrosion protection for metallic substrates

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6331202B1 (en) * 1997-03-09 2001-12-18 Pigmentan Anticorrosive Pigments For Paints Ltd. Anti-corrosive pigments
US6514357B1 (en) * 1999-10-22 2003-02-04 Kawasaki Steel Corporation Composition for metal surface treatment and surface treated metallic material
US7220297B2 (en) * 2001-06-04 2007-05-22 Pigmentan Anticorrosive Pigments For Paints Ltd. Anti-corrosive pigments and method for making the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564478B1 (fr) * 1984-05-21 1988-10-07 Borsodi Vegyi Komb Additifs aqueux inhibiteurs de corrosion et procede pour leur preparation
CN1109080A (zh) * 1994-03-21 1995-09-27 金强 一种水溶性无机防腐涂料
CN1110699A (zh) * 1995-01-16 1995-10-25 梅振祥 一种新型防锈漆填料

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6331202B1 (en) * 1997-03-09 2001-12-18 Pigmentan Anticorrosive Pigments For Paints Ltd. Anti-corrosive pigments
US6514357B1 (en) * 1999-10-22 2003-02-04 Kawasaki Steel Corporation Composition for metal surface treatment and surface treated metallic material
US7220297B2 (en) * 2001-06-04 2007-05-22 Pigmentan Anticorrosive Pigments For Paints Ltd. Anti-corrosive pigments and method for making the same

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090020186A1 (en) * 2004-11-29 2009-01-22 Gregory Pipko Methods of preventing corrosion
US8845930B2 (en) 2004-11-29 2014-09-30 Pigmentan Ltd. Methods of preventing corrosion
US8167995B2 (en) 2008-06-12 2012-05-01 Latitude 18, Inc. Inorganic phosphate resins and method for their manufacture
US8557342B2 (en) * 2009-12-11 2013-10-15 Latitude 18, Inc. Inorganic phosphate corrosion resistant coatings
US20110143154A1 (en) * 2009-12-11 2011-06-16 Wagh Arun S Inorganic phosphate corrosion resistant coatings
WO2011071569A1 (en) * 2009-12-11 2011-06-16 Latitude 18, Inc. Inorganic phosphate corrosion resistant coatings
AU2010328682B2 (en) * 2009-12-11 2016-02-11 Latitude 18, Inc. Inorganic phosphate corrosion resistant coatings
US8858702B2 (en) 2009-12-11 2014-10-14 Latitude 18, Inc. Inorganic phosphate compositions and methods
CN102770583A (zh) * 2009-12-11 2012-11-07 18纬度有限公司 无机磷酸盐防腐蚀涂层
US20140044877A1 (en) * 2009-12-11 2014-02-13 Latitude 18, Inc. Inorganic phosphate corrosion resistant coatings
WO2011075712A3 (en) * 2009-12-18 2011-10-20 Latitude 18, Inc. Inorganic phosphate corrosion resistant coatings
US20130139930A1 (en) * 2009-12-18 2013-06-06 Latitude 18, Inc. Inorganic phosphate corrosion resistant coatings
WO2011075712A2 (en) * 2009-12-18 2011-06-23 Latitude 18, Inc. Inorganic phosphate corrosion resistant coatings
US10422041B2 (en) 2009-12-18 2019-09-24 Latitude 18, Inc Inorganic phosphate corrosion resistant coatings
US20110155137A1 (en) * 2009-12-30 2011-06-30 3M Innovative Properties Company Filtering face-piece respirator having an auxetic mesh in the mask body
US8425717B2 (en) 2010-02-09 2013-04-23 Latitude 18, Inc. Phosphate bonded composites and methods
WO2014126585A1 (en) * 2013-02-15 2014-08-21 Latitude 18, Inc. Inorganic phosphate ceramics and coatings
CN105121381A (zh) * 2013-02-15 2015-12-02 18纬度有限公司 无机磷酸盐陶瓷和涂层
US10501641B2 (en) 2013-02-15 2019-12-10 Latitude 18, Inc. Inorganic phosphate ceramics and coatings
US20150120870A1 (en) * 2013-10-25 2015-04-30 Joseph Schuman Media distribution network, associated program products, and methods of using the same
CN107685008A (zh) * 2017-09-26 2018-02-13 江苏固格澜栅防护设施有限公司 一种金属护栏表面涂层防护方法

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CN101006142B (zh) 2011-03-30
CN101006142A (zh) 2007-07-25
EP1765522A4 (en) 2011-01-26
EP1765522A2 (en) 2007-03-28
WO2005120722A3 (en) 2006-01-26
WO2005120722A2 (en) 2005-12-22

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