EP0860496A2 - Reinigungsmittel für Silberbad - Google Patents
Reinigungsmittel für Silberbad Download PDFInfo
- Publication number
- EP0860496A2 EP0860496A2 EP98102753A EP98102753A EP0860496A2 EP 0860496 A2 EP0860496 A2 EP 0860496A2 EP 98102753 A EP98102753 A EP 98102753A EP 98102753 A EP98102753 A EP 98102753A EP 0860496 A2 EP0860496 A2 EP 0860496A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- silver
- cleaning
- alkali
- sodium
- reductive
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/06—Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0042—Reducing agents
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/10—Salts
- C11D7/12—Carbonates bicarbonates
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/34—Organic compounds containing sulfur
Definitions
- the invention relates to a cleaning agent for cleaning Silver surfaces in an aqueous solution in an open Container.
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims (6)
- Reinigungsmittel für die Entfernung von Verunreinigungen auf Silberoberflächen für die Anwendung im Haushalt, das wenigstens ein reduktives Bleichmittel und wenigstens eine Substanz als Alkalispender enthält, vorzugsweise in der Zusammensetzung von 5 bis 90 % reduktivem Bleichmittel, 95-10 % Alkalispender (Angaben in Gew.-%).
- Reinigungsmittel nach Anspruch 1 gekennzeichnet durch die Zusammensetzung von5-90 % reduktivem Bleichmittel10-95 % Alkalispender0-80 % Streckmittel0-10 % Hilfsmittel
- Reinigungsmittel nach Anspruch 1 und 2, dadurch gekennzeichnet, daß der Anteil an alkalispendenden Substanzen mind. 50 % der Menge des Reduktionsmittels (Angabe in Gew.-%) beträgt.
- Reinigungsmittel nach einem der Ansprüche 1 bis 3 dadurch gekennzeichnet, daß als reduktives Bleichmittel Natriumdithionit enthalten ist.
- Reinigungsmittel nach einem der Ansprüche 1 bis 4 dadurch gekennzeichnet, daß als Alkalispender Natriumcarbonat und/oder Natriumhydrogencarbonat verwendet wird.
- Reinigungsmittel nach einem der Ansprüche 1 bis 5 dadurch gekennzeichnet, daß beim Einsatz in einer wässerigen Lösung diese eine Menge von 0,1 g bis 3 g pro Liter Reduktionsmittel enthält.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29703010U | 1997-02-20 | ||
DE29703010U DE29703010U1 (de) | 1997-02-20 | 1997-02-20 | Silberbad |
DE19752375A DE19752375A1 (de) | 1997-02-20 | 1997-11-26 | Silberbad |
DE19752375 | 1997-11-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0860496A2 true EP0860496A2 (de) | 1998-08-26 |
EP0860496A3 EP0860496A3 (de) | 1998-12-30 |
EP0860496B1 EP0860496B1 (de) | 2002-05-22 |
Family
ID=26041923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98102753A Expired - Lifetime EP0860496B1 (de) | 1997-02-20 | 1998-02-18 | Reinigungsmittel für Silberbad |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0860496B1 (de) |
AT (1) | ATE217901T1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001023507A1 (de) * | 1999-09-30 | 2001-04-05 | Henkel Kommanditgesellschaft Auf Aktien | Maschinelles silberreinigungsmittel |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB528683A (en) * | 1939-04-04 | 1940-11-05 | Percival Donald Liddiard | Improvements in or relating to the washing of tins |
CH353596A (fr) * | 1959-10-02 | 1961-04-15 | Gay Balmaz Maurice | Procédé de nettoyage de pièces d'argenterie et machine pour la mise en oeuvre de ce procédé |
US3707507A (en) * | 1971-01-18 | 1972-12-26 | Phillips Petroleum Co | Mercaptonitriles for the removal of tarnish on metals |
WO1993002226A1 (en) * | 1991-07-17 | 1993-02-04 | Church & Dwight Company, Inc. | Aqueous electronic circuit assembly cleaner and method |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04214884A (ja) * | 1990-06-11 | 1992-08-05 | Denka Seiyaku Kk | 貴金属及び宝飾品の洗浄剤 |
-
1998
- 1998-02-18 EP EP98102753A patent/EP0860496B1/de not_active Expired - Lifetime
- 1998-02-18 AT AT98102753T patent/ATE217901T1/de not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB528683A (en) * | 1939-04-04 | 1940-11-05 | Percival Donald Liddiard | Improvements in or relating to the washing of tins |
CH353596A (fr) * | 1959-10-02 | 1961-04-15 | Gay Balmaz Maurice | Procédé de nettoyage de pièces d'argenterie et machine pour la mise en oeuvre de ce procédé |
US3707507A (en) * | 1971-01-18 | 1972-12-26 | Phillips Petroleum Co | Mercaptonitriles for the removal of tarnish on metals |
WO1993002226A1 (en) * | 1991-07-17 | 1993-02-04 | Church & Dwight Company, Inc. | Aqueous electronic circuit assembly cleaner and method |
Non-Patent Citations (2)
Title |
---|
DATABASE CHEMICAL ABSTRACTS American Chemical Society, Columbus, Ohio Accession Number = 92:145832, 1979 MACLEOD, IAN D. ; NORTH, NEIL A.: "Conservation of corroded silver" XP002078900 & STUD. CONSERV. , Bd. 24, Nr. 4, 1979, Seiten 165-170, * |
DATABASE WPI Week 9238 Derwent Publications Ltd., London, GB; AN 92-311212 XP002079171 & JP 04 214884 A (DENKA SEIYAKU KK) , 5. August 1992 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001023507A1 (de) * | 1999-09-30 | 2001-04-05 | Henkel Kommanditgesellschaft Auf Aktien | Maschinelles silberreinigungsmittel |
Also Published As
Publication number | Publication date |
---|---|
EP0860496B1 (de) | 2002-05-22 |
ATE217901T1 (de) | 2002-06-15 |
EP0860496A3 (de) | 1998-12-30 |
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