AU648906B2 - Ortho-hydroxybenzenephosphonic acid corrosion inhibitors - Google Patents

Ortho-hydroxybenzenephosphonic acid corrosion inhibitors

Info

Publication number
AU648906B2
AU648906B2 AU19334/92A AU1933492A AU648906B2 AU 648906 B2 AU648906 B2 AU 648906B2 AU 19334/92 A AU19334/92 A AU 19334/92A AU 1933492 A AU1933492 A AU 1933492A AU 648906 B2 AU648906 B2 AU 648906B2
Authority
AU
Australia
Prior art keywords
ortho
corrosion inhibitors
acid corrosion
hydroxybenzenephosphonic
hydroxybenzenephosphonic acid
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.)
Ceased
Application number
AU19334/92A
Other versions
AU1933492A (en
Inventor
Charles Garvie Carter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suez WTS USA Inc
Original Assignee
WR Grace and Co Conn
WR Grace and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WR Grace and Co Conn, WR Grace and Co filed Critical WR Grace and Co Conn
Publication of AU1933492A publication Critical patent/AU1933492A/en
Application granted granted Critical
Publication of AU648906B2 publication Critical patent/AU648906B2/en
Assigned to BETZDEARBORN INC. reassignment BETZDEARBORN INC. Assignment by Patentee under S 187, Reg 19.1 Assignors: W.R. GRACE & CO.-CONN.
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • C23F11/1676—Phosphonic acids
AU19334/92A 1991-10-24 1992-07-01 Ortho-hydroxybenzenephosphonic acid corrosion inhibitors Ceased AU648906B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US78204191A 1991-10-24 1991-10-24
US782041 1991-10-24

Publications (2)

Publication Number Publication Date
AU1933492A AU1933492A (en) 1993-04-29
AU648906B2 true AU648906B2 (en) 1994-05-05

Family

ID=25124766

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19334/92A Ceased AU648906B2 (en) 1991-10-24 1992-07-01 Ortho-hydroxybenzenephosphonic acid corrosion inhibitors

Country Status (3)

Country Link
AU (1) AU648906B2 (en)
CA (1) CA2073594A1 (en)
ZA (1) ZA925048B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837803A (en) * 1972-07-11 1974-09-24 Betz Laboratories Orthophosphate corrosion inhibitors and their use
US3901651A (en) * 1971-06-07 1975-08-26 Aquaphase Lab Inc Treating water to retard corrosion
US4303568A (en) * 1979-12-10 1981-12-01 Betz Laboratories, Inc. Corrosion inhibition treatments and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3901651A (en) * 1971-06-07 1975-08-26 Aquaphase Lab Inc Treating water to retard corrosion
US3837803A (en) * 1972-07-11 1974-09-24 Betz Laboratories Orthophosphate corrosion inhibitors and their use
US4303568A (en) * 1979-12-10 1981-12-01 Betz Laboratories, Inc. Corrosion inhibition treatments and method

Also Published As

Publication number Publication date
AU1933492A (en) 1993-04-29
CA2073594A1 (en) 1993-04-25
ZA925048B (en) 1993-04-28

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired