53.
    发明专利
    未知

    公开(公告)号:PT97999A

    公开(公告)日:1992-03-31

    申请号:PT9799991

    申请日:1991-06-17

    Applicant: SOLVAY

    Abstract: Baths for the chemical polishing of stainless steel surfaces which comprise a mixture of hydrochloric acid, nitric acid and phosphoric acid, a substituted or unsubstituted hydroxybenzoic acid and an amine in aqueous solution.

    54.
    发明专利
    未知

    公开(公告)号:NO904579L

    公开(公告)日:1991-04-25

    申请号:NO904579

    申请日:1990-10-23

    Applicant: SOLVAY

    Abstract: Baths for chemical polishing of copper or copper alloy surfaces, comprising, in aqueous solution, hydrogen peroxide, phosphoric acid and tetraborate ions.

    57.
    发明专利
    未知

    公开(公告)号:DK529488D0

    公开(公告)日:1988-09-23

    申请号:DK529488

    申请日:1988-09-23

    Applicant: SOLVAY

    Abstract: Baths for the chemical polishing of copper or copper alloy surfaces, comprising, in aqueous solution, hydrogen peroxide, chloride ions, phosphoric acid and phosphate and hydrogenphosphate ions, in quantities adjusted so as to impart a pH of between 1.25 and 3 to the bath.

    58.
    发明专利
    未知

    公开(公告)号:FI884332A0

    公开(公告)日:1988-09-21

    申请号:FI884332

    申请日:1988-09-21

    Applicant: SOLVAY

    Abstract: Baths for the chemical polishing of copper or copper alloy surfaces, comprising, in aqueous solution, hydrogen peroxide, chloride ions, phosphoric acid and phosphate and hydrogenphosphate ions, in quantities adjusted so as to impart a pH of between 1.25 and 3 to the bath.

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