ATE438743T1 - TANNING AGENTS AND PRESERVATIVES BASED ON DIALDEHYDES - Google Patents

TANNING AGENTS AND PRESERVATIVES BASED ON DIALDEHYDES

Info

Publication number
ATE438743T1
ATE438743T1 AT03749808T AT03749808T ATE438743T1 AT E438743 T1 ATE438743 T1 AT E438743T1 AT 03749808 T AT03749808 T AT 03749808T AT 03749808 T AT03749808 T AT 03749808T AT E438743 T1 ATE438743 T1 AT E438743T1
Authority
AT
Austria
Prior art keywords
dialdehydes
tanning agents
preservatives based
preservatives
tanning
Prior art date
Application number
AT03749808T
Other languages
German (de)
Inventor
Stephan Hueffer
Gunther Pabst
Tilman Taeger
Stefan Schroeder
Gerhard Wolf
Original Assignee
Basf Se
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 Basf Se filed Critical Basf Se
Priority claimed from PCT/EP2003/004603 external-priority patent/WO2003095681A1/en
Application granted granted Critical
Publication of ATE438743T1 publication Critical patent/ATE438743T1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/08—Chemical tanning by organic agents
    • C14C3/16—Chemical tanning by organic agents using aliphatic aldehydes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
AT03749808T 2002-05-07 2003-05-02 TANNING AGENTS AND PRESERVATIVES BASED ON DIALDEHYDES ATE438743T1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10220493 2002-05-07
DE10231293A DE10231293A1 (en) 2002-05-07 2002-07-10 Tanning agents and preservatives based on dialdehydes
PCT/EP2003/004603 WO2003095681A1 (en) 2002-05-07 2003-05-02 Tanning agent and curing agent based on dialdehydes

Publications (1)

Publication Number Publication Date
ATE438743T1 true ATE438743T1 (en) 2009-08-15

Family

ID=29265139

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03749808T ATE438743T1 (en) 2002-05-07 2003-05-02 TANNING AGENTS AND PRESERVATIVES BASED ON DIALDEHYDES

Country Status (4)

Country Link
KR (1) KR20050007478A (en)
AR (1) AR039879A1 (en)
AT (1) ATE438743T1 (en)
DE (2) DE10231293A1 (en)

Also Published As

Publication number Publication date
DE10231293A1 (en) 2003-11-20
KR20050007478A (en) 2005-01-18
DE50311780D1 (en) 2009-09-17
AR039879A1 (en) 2005-03-09

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee