AR039879A1 - Curtiente y agente de conservacion a base de compuestos provenientes de reacciones de dialdehidos - Google Patents
Curtiente y agente de conservacion a base de compuestos provenientes de reacciones de dialdehidosInfo
- Publication number
- AR039879A1 AR039879A1 ARP030101585A ARP030101585A AR039879A1 AR 039879 A1 AR039879 A1 AR 039879A1 AR P030101585 A ARP030101585 A AR P030101585A AR P030101585 A ARP030101585 A AR P030101585A AR 039879 A1 AR039879 A1 AR 039879A1
- Authority
- AR
- Argentina
- Prior art keywords
- tanning
- formula
- procedure
- agents
- aldehyde
- Prior art date
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)
Abstract
Curtientes obtenidos por reacción de por lo menos un aldehído de la fórmula general (1), con por lo menos otro aldehído idéntico o diferente de la fórmula (1), en donde las variables tienen las definiciones siguientes: Z significa un enlace químico simple, alquileno C1-12, cicloalquileno C5-12 o arileno C6-14, eventualmente sustituidos, realizándose la reacción en presencia de un catalizador ácido y opcionalmente en presencia de por lo menos otro compuesto carbonilo de la fórmula (2), en donde R1 a R4 significan, independientemente, hidrógeno, alquilo C1-12, cicloalquilo C3-12, aralquilo C7-13 o arilo C6-14, eventualmente sustituidos, siendo preciso, que cuando Z significa un enlace simple o un radical sin átomos de alfa-hidrógeno, esté presente por lo menos otro aldehído de la fórmula (1) en el que el radical Z contenga átomos de alfa-hidrógeno o por lo menos otro compuesto de carbonilo de la fórmula (2). Procedimiento para la obtención de estos curtientes, su uso como agentes de conversación, especialmente, para la precurtición, curtición y recurtición de pieles animales, y un procedimiento para la precurtición, curtición o recurtición de pieles animales mediante dichos curtientes. Sustancia activa pulverulenta, que contiene uno o varios de dichos curtientes, procedimiento para la obtención de esta sustancia activa pulverulenta y uso de la misma como agente de conversación y cueros obtenidos usando los curtientes o aplicando el procedimiento descripto.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10220493 | 2002-05-07 | ||
DE10231293A DE10231293A1 (de) | 2002-05-07 | 2002-07-10 | Gerbmittel und Konservierungsmittel auf der Basis von Dialdehyden |
Publications (1)
Publication Number | Publication Date |
---|---|
AR039879A1 true AR039879A1 (es) | 2005-03-09 |
Family
ID=29265139
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP030101585A AR039879A1 (es) | 2002-05-07 | 2003-05-06 | Curtiente y agente de conservacion a base de compuestos provenientes de reacciones de dialdehidos |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR20050007478A (es) |
AR (1) | AR039879A1 (es) |
AT (1) | ATE438743T1 (es) |
DE (2) | DE10231293A1 (es) |
-
2002
- 2002-07-10 DE DE10231293A patent/DE10231293A1/de not_active Withdrawn
-
2003
- 2003-05-02 DE DE50311780T patent/DE50311780D1/de not_active Expired - Lifetime
- 2003-05-02 KR KR10-2004-7017832A patent/KR20050007478A/ko not_active Application Discontinuation
- 2003-05-02 AT AT03749808T patent/ATE438743T1/de not_active IP Right Cessation
- 2003-05-06 AR ARP030101585A patent/AR039879A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
KR20050007478A (ko) | 2005-01-18 |
DE10231293A1 (de) | 2003-11-20 |
ATE438743T1 (de) | 2009-08-15 |
DE50311780D1 (de) | 2009-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB | Suspension of granting procedure |