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    Process for the coating of metal
    2.
    发明授权
    Process for the coating of metal 失效
    金属涂层工艺

    公开(公告)号：US3573997A

    公开(公告)日：1971-04-06

    申请号：US3573997D

    申请日：1968-12-31

    申请人： HOOKER CHEMICAL CORP

    发明人： PLAXTON ELMER H

    IPC分类号： C23C22/83 ,  C23F7/10 ,  C23F7/14 ,  C23F7/26

    CPC分类号： C23C22/83

    摘要： A PROCESS FOR COATING METAL WHEREIN A PHOSPHATE OR OXALATE CONVERSION COATING COMPOSITION IS APPLIED TO AN ALUMINUM, ZINC OR FERROUS METAL SURFACE TO FORM A SUBSTANTIALLY DRY, UNIFORM PHOSPHATE OR OXALATE CONVERSION COATING, A PORTION OF WHICH IS WATER-SOLUBLE. AN ORGANIC CONTAINING, REDUCING AND/OR ESTERIFYING FIXING OR IMMOBILIZING COATING COMPOSITION IS THEN APPLIED WHICH REACTS OUT THE WATER-SOLUBLE PORTION OF THE CONVERSION COATING TO PRODUCE WATER-INSOLUBLE PHOSPHATES OR OXALATES AND FORM A SUBSTANTIALLY DRY, UNIFORM COMPOSITE COATING. A HEXAVALENT CHROMIUM CONTAINING STABILIZING OR PASSIVATING COMPOSITION IS ALSO APPLIED, EITHER AS A SEPARATE STAGE OR, PREFERABLY, BY INCLUDING THE HEXAVALENT CHROMIUM MATERIAL IN THE FIXING COATING COMPOSITION. PREFERABLY, ALL OF THE COATING MATERIALS ARE APPLIED BY "MIST-ON" TYPE SPRAY APPLICATIONS.

    Metal coating process
    3.
    发明授权
    Metal coating process 失效

    公开(公告)号：US3565699A

    公开(公告)日：1971-02-23

    申请号：US3565699D

    申请日：1968-12-31

    申请人： HOOKER CHEMICAL CORP

    发明人： PLAXTON ELMER H

    IPC分类号： C23C22/83 ,  C23F7/10 ,  C23F7/14 ,  C23F7/26

    CPC分类号： C23C22/83 ,  Y10T428/273

    摘要： A METAL COATING PROCESS WHICH COMPRISES APPLYING A PHOSPHATE OR OXALATE CONVERSION COATING COMPOSITION TO A ZINC, ALUMINUM OR FERROUS METAL SURFACE TO FORM A SUBSTANTIALLY DRY, UNIFORM CONVERSION COATING, A PORTION OF WHICH IS WATER-SOLUBLE. A NEWTRALIZING FIXING OR IMMOBILIZING COATING COMPOSITION IS THEN APPLIED WHICH REACTS OUT THE WATER-SOLUBLE PORTION OF THE CONVERSION COATING TO PRODUCE WATER-INSOLUBLE PHOSPHATES OR OXALATES AND FORMS A SUBSTANTIALLY DRY, UNIFORM COMPOSITE COATING. A HEXAVALENT CHROMIUM-CONTAINING STABILIZING OR PASSIVATING COMPOSITION IS ALSO APPLIED, EITHER IN A SEPARATE COATING STEP OR PREFERABLY BY INCORPORATING THE HEXAVALENT CHROMIUM CONTAINING MATERIAL IN THE FIXING COATING COMPOSITON. PREFERABLY, ALL OF TSHE COATING MATERIALS ARE APPLIED BY "MISTON" TYPE SPRAY APPLICATION.