NL191990C - Method for concentrating aqueous acrylamide solutions. - Google Patents

Method for concentrating aqueous acrylamide solutions.

Info

Publication number
NL191990C
NL191990C NL7900805A NL7900805A NL191990C NL 191990 C NL191990 C NL 191990C NL 7900805 A NL7900805 A NL 7900805A NL 7900805 A NL7900805 A NL 7900805A NL 191990 C NL191990 C NL 191990C
Authority
NL
Netherlands
Prior art keywords
aqueous acrylamide
concentrating aqueous
acrylamide solutions
solutions
concentrating
Prior art date
Application number
NL7900805A
Other languages
Dutch (nl)
Other versions
NL7900805A (en
NL191990B (en
Original Assignee
American Cyanamid 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 American Cyanamid Co filed Critical American Cyanamid Co
Priority to NL7900805A priority Critical patent/NL191990C/en
Publication of NL7900805A publication Critical patent/NL7900805A/en
Publication of NL191990B publication Critical patent/NL191990B/en
Application granted granted Critical
Publication of NL191990C publication Critical patent/NL191990C/en

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
    • C23F11/14—Nitrogen-containing compounds
    • C23F11/145—Amides; N-substituted amides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/06—Preparation of carboxylic acid amides from nitriles by transformation of cyano groups into carboxamide groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C233/00—Carboxylic acid amides
    • C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C233/02—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
    • C07C233/09—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic unsaturated carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
NL7900805A 1979-01-31 1979-01-31 Method for concentrating aqueous acrylamide solutions. NL191990C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7900805A NL191990C (en) 1979-01-31 1979-01-31 Method for concentrating aqueous acrylamide solutions.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7900805A NL191990C (en) 1979-01-31 1979-01-31 Method for concentrating aqueous acrylamide solutions.
NL7900805 1979-01-31

Publications (3)

Publication Number Publication Date
NL7900805A NL7900805A (en) 1980-08-04
NL191990B NL191990B (en) 1996-08-01
NL191990C true NL191990C (en) 1996-12-03

Family

ID=19832556

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7900805A NL191990C (en) 1979-01-31 1979-01-31 Method for concentrating aqueous acrylamide solutions.

Country Status (1)

Country Link
NL (1) NL191990C (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020328B (en) * 1954-02-02 1957-12-05 Ciba Geigy Process for the production of solid, monomeric carboxamides of the acrylic acid series
JPS5224137A (en) * 1975-08-20 1977-02-23 Babcock Hitachi Kk Anticorrosion method for structural steel

Also Published As

Publication number Publication date
NL7900805A (en) 1980-08-04
NL191990B (en) 1996-08-01

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

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