BE537440A - - Google Patents
Info
- Publication number
- BE537440A BE537440A BE537440DA BE537440A BE 537440 A BE537440 A BE 537440A BE 537440D A BE537440D A BE 537440DA BE 537440 A BE537440 A BE 537440A
- Authority
- BE
- Belgium
Links
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C17/00—Gems or the like
- A44C17/04—Setting gems in jewellery; Setting-tools
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/25—Diamond
- C01B32/28—After-treatment, e.g. purification, irradiation, separation or recovery
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Adornments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA332126X | 1954-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE537440A true BE537440A (de) |
Family
ID=25560259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE537440D BE537440A (de) | 1954-04-19 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2998365A (de) |
| BE (1) | BE537440A (de) |
| CH (1) | CH332126A (de) |
| DE (1) | DE1027192B (de) |
| FR (1) | FR1134761A (de) |
| GB (1) | GB812056A (de) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3149232A (en) * | 1959-08-31 | 1964-09-15 | Clevite Corp | Stabilizing piezoelectric ceramics |
| US3075906A (en) * | 1960-06-15 | 1963-01-29 | Chow Ken-Tang | Process for irradiating pearls and product resulting therefrom |
| GB1043973A (en) * | 1964-04-16 | 1966-09-28 | Lkb Produkter Ab | Fluorescent radiation device |
| GB1588445A (en) * | 1977-05-26 | 1981-04-23 | Nat Res Dev | Toughening diamond |
| US4200506A (en) * | 1977-11-08 | 1980-04-29 | Dreschhoff Gisela A M | Process for providing identification markings for gemstones |
| ZA797004B (en) * | 1979-01-17 | 1980-11-26 | De Beers Ind Diamond | Diamond treatment |
| US4749869A (en) * | 1986-05-14 | 1988-06-07 | Anil Dholakia | Process for irradiating topaz and the product resulting therefrom |
| JP2571795B2 (ja) * | 1987-11-17 | 1997-01-16 | 住友電気工業株式会社 | 紫色ダイヤモンドおよびその製造方法 |
| US5084909A (en) * | 1990-03-23 | 1992-01-28 | Pollak Richard D | Method of processing gemstones to enhance their color |
| US6083354A (en) * | 1992-07-24 | 2000-07-04 | Matsushita Electric Industrial Co., Ltd. | Treatment method for diamonds |
| GB2286760A (en) * | 1994-02-17 | 1995-08-30 | Atomic Energy Authority Uk | Colouration of gemstones |
| JP4436968B2 (ja) * | 1998-03-17 | 2010-03-24 | セルスチョップ、ジャック、ピエール、フリードリッヒ | 電気活性点を有する炭素の製造方法 |
| AU4285099A (en) * | 1998-06-24 | 2000-01-10 | Jacques Pierre Friedrich Sellschop | A method of altering the colour of a material |
| CN113717410A (zh) * | 2021-08-26 | 2021-11-30 | 浙江方圆检测集团股份有限公司 | 一种基于Co-60产生的γ射线辐照琥珀的改色处理工艺 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190317666A (en) * | 1903-08-14 | 1903-09-24 | Guido Holzknecht | Means for Determining the Action of Röntgen Rays. |
| US2604596A (en) * | 1947-05-14 | 1952-07-22 | Bell Telephone Labor Inc | Bombardment induced conductivity in solid insulators |
| NL81096C (de) * | 1948-05-31 |
-
0
- BE BE537440D patent/BE537440A/xx unknown
-
1955
- 1955-04-11 US US500656A patent/US2998365A/en not_active Expired - Lifetime
- 1955-04-15 FR FR1134761D patent/FR1134761A/fr not_active Expired
- 1955-04-18 CH CH332126D patent/CH332126A/de unknown
- 1955-04-18 GB GB11141/55A patent/GB812056A/en not_active Expired
- 1955-04-19 DE DEI10113A patent/DE1027192B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH332126A (de) | 1958-08-31 |
| DE1027192B (de) | 1958-04-03 |
| US2998365A (en) | 1961-08-29 |
| GB812056A (en) | 1959-04-15 |
| FR1134761A (fr) | 1957-04-17 |