GB1259515A - - Google Patents
Info
- Publication number
- GB1259515A GB1259515A GB1259515DA GB1259515A GB 1259515 A GB1259515 A GB 1259515A GB 1259515D A GB1259515D A GB 1259515DA GB 1259515 A GB1259515 A GB 1259515A
- Authority
- GB
- United Kingdom
- Prior art keywords
- metal
- hbf
- sif
- cro
- feb
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Abstract
1,259,515. Electro-depositing chromium. SCHERING A.G. Feb.3, 1969 [Feb. 3, 1968], No. 5662 /69. Heading C7B. A chromium plating electrolyte, e.g. containing 150-550 g/l CrO 3 , contains Pb SO 4 , e.g. 0À5-10%, and as concomitant activator, one or more of HF, HBF 4 , H 2 SiF 6 , metal -HF, H 3 BO 3 and salts (e.g. alkali metal) thereof, e.g. more than 0À05%, with or without an alkali metal dichromate, e.g. 10-40%, the percentages being calculated on the weight of the CrO 3 , for electrodepositing glossy, hard or micro-cracked Cr on a metal (e.g. Ni) surface. Examples of activators are: 2À6% or 3À16% or 5À45% K 2 SiF 6 ; 0À26% KF or HBF 4 or K 2 TiF 6 ; 0À95% H 3 BO 3 . 25% or 33% K 2 Cr 2 O 7 may be present.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DESC041927 | 1968-02-03 | ||
| DE19681696088 DE1696088C3 (en) | 1968-02-03 | 1968-02-03 | Self-regulating galvanic chrome bath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1259515A true GB1259515A (en) | 1972-01-05 |
Family
ID=25754607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1259515D Expired GB1259515A (en) | 1968-02-03 | 1969-02-03 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3920527A (en) |
| FR (1) | FR1597909A (en) |
| GB (1) | GB1259515A (en) |
| NL (1) | NL161205C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10255853A1 (en) * | 2002-11-29 | 2004-06-17 | Federal-Mogul Burscheid Gmbh | Manufacture of structured hard chrome layers |
| DE102004019370B3 (en) * | 2004-04-21 | 2005-09-01 | Federal-Mogul Burscheid Gmbh | Production of optionally coated structurized hard chrome layer, used e.g. for decoration, protection or functional coating on printing roller or stamping, embossing or deep drawing tool uses aliphatic sulfonic acid in acid plating bath |
| US8236761B2 (en) * | 2006-07-07 | 2012-08-07 | Washington State University Research Foundation | C-Met receptor regulation by angiotensin IV (AT4) receptor ligands |
| DE102008017270B3 (en) * | 2008-04-04 | 2009-06-04 | Federal-Mogul Burscheid Gmbh | Structured chromium solid particle layer and method for its production and coated machine element |
| CN110487954B (en) * | 2019-08-01 | 2022-03-01 | 稀美资源(广东)有限公司 | Sulfate radical detection method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1590170A (en) * | 1925-09-10 | 1926-06-22 | Chromium Products Corp | Process of plating with chromium |
| US2050478A (en) * | 1935-08-10 | 1936-08-11 | Wickenhiser Christian | Electrolytic bath for depositing chromium |
| GB718630A (en) * | 1952-03-03 | 1954-11-17 | Floricel Arquimedes Rojas | Method and means for the electro-deposition of chromium |
| FR1255874A (en) * | 1959-05-28 | 1961-03-10 | Metal & Thermit Corp | Electrolytic chrome plating process |
| US2952590A (en) * | 1959-08-14 | 1960-09-13 | Metal & Thermit Corp | Process for chromium plating |
| GB946958A (en) * | 1961-07-26 | 1964-01-15 | Nat Res Dev | A method of and an apparatus for the electrolytic production of chromium of a high degree of purity |
| GB1091526A (en) * | 1963-07-24 | 1967-11-15 | Canning & Co Ltd W | Improvements in electrodeposition of chromium |
-
1968
- 1968-12-18 FR FR1597909D patent/FR1597909A/fr not_active Expired
-
1969
- 1969-01-22 US US792970*A patent/US3920527A/en not_active Expired - Lifetime
- 1969-01-31 NL NL6901641.A patent/NL161205C/en not_active IP Right Cessation
- 1969-02-03 GB GB1259515D patent/GB1259515A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3920527A (en) | 1975-11-18 |
| DE1696088B2 (en) | 1976-01-08 |
| DE1696088A1 (en) | 1971-11-18 |
| FR1597909A (en) | 1970-06-29 |
| NL161205C (en) | 1980-01-15 |
| NL6901641A (en) | 1969-08-05 |
| NL161205B (en) | 1979-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |