DK161640C - Fremgangsmaade til rensning af pyrethroidmellemprodukter ved selektiv partiel forsaebning - Google Patents

Fremgangsmaade til rensning af pyrethroidmellemprodukter ved selektiv partiel forsaebning

Info

Publication number
DK161640C
DK161640C DK082281A DK82281A DK161640C DK 161640 C DK161640 C DK 161640C DK 082281 A DK082281 A DK 082281A DK 82281 A DK82281 A DK 82281A DK 161640 C DK161640 C DK 161640C
Authority
DK
Denmark
Prior art keywords
cleaning
procedure
intermediate products
selective partial
soap
Prior art date
Application number
DK082281A
Other languages
Danish (da)
English (en)
Other versions
DK161640B (da
DK82281A (da
Inventor
Edmund Joseph Rumanowski
Original Assignee
Stauffer Chemical 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 Stauffer Chemical Co filed Critical Stauffer Chemical Co
Publication of DK82281A publication Critical patent/DK82281A/da
Publication of DK161640B publication Critical patent/DK161640B/da
Application granted granted Critical
Publication of DK161640C publication Critical patent/DK161640C/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/02—Systems containing only non-condensed rings with a three-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK082281A 1980-02-25 1981-02-24 Fremgangsmaade til rensning af pyrethroidmellemprodukter ved selektiv partiel forsaebning DK161640C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12387980 1980-02-25
US06/123,879 US4288610A (en) 1980-02-25 1980-02-25 Purification of pyrethroid intermediate compounds by selective partial saponification

Publications (3)

Publication Number Publication Date
DK82281A DK82281A (da) 1981-08-26
DK161640B DK161640B (da) 1991-07-29
DK161640C true DK161640C (da) 1992-01-13

Family

ID=22411452

Family Applications (1)

Application Number Title Priority Date Filing Date
DK082281A DK161640C (da) 1980-02-25 1981-02-24 Fremgangsmaade til rensning af pyrethroidmellemprodukter ved selektiv partiel forsaebning

Country Status (8)

Country Link
US (1) US4288610A (de)
EP (1) EP0034875B1 (de)
JP (1) JPS56133245A (de)
BR (1) BR8101050A (de)
DE (1) DE3160671D1 (de)
DK (1) DK161640C (de)
HU (1) HU188281B (de)
IL (1) IL62057A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU185030B (en) * 1981-02-20 1984-11-28 Chinoin Gyogyszer Es Vegyeszet Process for producing isomere mixtures of pure dichloro-vinyl-cyclopropane-carboxylic acids
CA1192218A (en) * 1981-09-16 1985-08-20 Zeneca Ag Products Inc. Isomer enrichment process for cyclopropanecarboxylates
HU192247B (en) * 1983-10-10 1987-05-28 Chinoin Gyogyszer Es Vegyeszet Process for separation of cyclopropan carbonic esthers from their secondary products
IL73187A0 (en) * 1983-10-11 1985-01-31 Lilly Co Eli Purification of esters of alkanoic acids

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876250A (en) * 1957-05-13 1959-03-03 Olin Mathieson Process for purification of crude pyrethrum extracts
US3652652A (en) * 1962-12-21 1972-03-28 Rhone Poulenc Sa 3-methallyllevulinates and preparation thereof
GB1005722A (en) * 1963-04-23 1965-09-29 Sumitomo Chemical Co Process for producing trans-chrysanthemic acid esters
JPS5612625B2 (de) * 1972-09-07 1981-03-23
JPS533386B2 (de) * 1972-11-13 1978-02-06

Also Published As

Publication number Publication date
EP0034875B1 (de) 1983-07-27
JPS56133245A (en) 1981-10-19
HUT35006A (en) 1985-05-28
HU188281B (en) 1986-03-28
DK161640B (da) 1991-07-29
DK82281A (da) 1981-08-26
EP0034875A1 (de) 1981-09-02
IL62057A0 (en) 1981-03-31
IL62057A (en) 1983-09-30
JPH0128009B2 (de) 1989-05-31
DE3160671D1 (en) 1983-09-01
US4288610A (en) 1981-09-08
BR8101050A (pt) 1981-08-25

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Legal Events

Date Code Title Description
PBP Patent lapsed