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HK1051334A1 - High temperature/high pressure colour change of diamond. - Google Patents

High temperature/high pressure colour change of diamond.

Info

Publication number
HK1051334A1
HK1051334A1 HK03103333A HK03103333A HK1051334A1 HK 1051334 A1 HK1051334 A1 HK 1051334A1 HK 03103333 A HK03103333 A HK 03103333A HK 03103333 A HK03103333 A HK 03103333A HK 1051334 A1 HK1051334 A1 HK 1051334A1
Authority
HK
Hong Kong
Prior art keywords
diamond
colour change
high temperature
high pressure
pressure colour
Prior art date
Application number
HK03103333A
Other languages
English (en)
Inventor
Robert Charles Burns
David Fisher
Raymond Anthony Spits
Original Assignee
Element Six Pty Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26244009&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1051334(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB0007889A external-priority patent/GB0007889D0/en
Priority claimed from GB0009488A external-priority patent/GB0009488D0/en
Application filed by Element Six Pty Ltd filed Critical Element Six Pty Ltd
Publication of HK1051334A1 publication Critical patent/HK1051334A1/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02—Elements
    • C30B29/04—Diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
    • B01J3/08—Application of shock waves for chemical reactions or for modifying the crystal structure of substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
    • B01J3/062—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies characterised by the composition of the materials to be processed
    • 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
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/0605—Composition of the material to be processed
    • B01J2203/062—Diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/065—Composition of the material produced
    • B01J2203/0655—Diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/0675—Structural or physico-chemical features of the materials processed
    • B01J2203/0695—Colour change

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Paper (AREA)
HK03103333A 2000-03-31 2003-05-13 High temperature/high pressure colour change of diamond. HK1051334A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0007889A GB0007889D0 (en) 2000-03-31 2000-03-31 Colour chabnge of diamond
GB0009488A GB0009488D0 (en) 2000-04-17 2000-04-17 Colour change of diamond
PCT/IB2001/000540 WO2001072406A1 (en) 2000-03-31 2001-04-02 High temperature/high pressure colour change of diamond

Publications (1)

Publication Number Publication Date
HK1051334A1 true HK1051334A1 (en) 2003-08-01

Family

ID=26244009

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03103333A HK1051334A1 (en) 2000-03-31 2003-05-13 High temperature/high pressure colour change of diamond.

Country Status (14)

Country Link
EP (1) EP1272265B1 (de)
JP (1) JP5294526B2 (de)
KR (1) KR100687775B1 (de)
CN (1) CN1254305C (de)
AT (1) ATE341394T1 (de)
AU (1) AU779501B2 (de)
CA (1) CA2405420C (de)
DE (1) DE60123592T2 (de)
ES (1) ES2273816T3 (de)
GB (1) GB2378944C (de)
HK (1) HK1051334A1 (de)
IL (2) IL152000A0 (de)
RU (1) RU2293603C2 (de)
WO (1) WO2001072406A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0007887D0 (en) * 2000-03-31 2000-05-17 De Beers Ind Diamond Colour change of diamond
GB0130004D0 (en) 2001-12-14 2002-02-06 Diamanx Products Ltd Coloured diamond
GB2409675B (en) 2002-09-06 2007-04-25 Element Six Ltd Modification of the colour of a single crystal CVD diamond
GB0220772D0 (en) * 2002-09-06 2002-10-16 Diamanx Products Ltd Coloured diamond
GB0227261D0 (en) 2002-11-21 2002-12-31 Element Six Ltd Optical quality diamond material
RU2471542C1 (ru) * 2011-05-24 2013-01-10 Федеральное государственное бюджетное учреждение науки Институт физики высоких давлений им. Л.Ф. Верещагина Российской академии наук (ИФВД РАН) Способ термической обработки алмазов

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124690A (en) * 1976-07-21 1978-11-07 General Electric Company Annealing type Ib or mixed type Ib-Ia natural diamond crystal
IE45102B1 (en) * 1976-07-21 1982-06-16 Gen Electric Process for converting type ib nitrogen in a diamond crystal into type ia nitrogen
AU6933700A (en) * 1999-08-25 2001-03-19 General Electric Company High pressure/high temperature production of colored diamonds
GB0007887D0 (en) * 2000-03-31 2000-05-17 De Beers Ind Diamond Colour change of diamond

Also Published As

Publication number Publication date
CN1254305C (zh) 2006-05-03
CA2405420A1 (en) 2001-10-04
AU4444501A (en) 2001-10-08
GB2378944C (en) 2005-09-22
CN1431929A (zh) 2003-07-23
CA2405420C (en) 2008-08-12
EP1272265B1 (de) 2006-10-04
IL152000A0 (en) 2003-04-10
IL152000A (en) 2006-04-10
KR100687775B1 (ko) 2007-02-28
DE60123592T2 (de) 2007-08-23
ATE341394T1 (de) 2006-10-15
KR20030011813A (ko) 2003-02-11
WO2001072406A1 (en) 2001-10-04
AU779501B2 (en) 2005-01-27
JP5294526B2 (ja) 2013-09-18
ES2273816T3 (es) 2007-05-16
RU2002129107A (ru) 2004-03-27
JP2003530285A (ja) 2003-10-14
RU2293603C2 (ru) 2007-02-20
GB0225391D0 (en) 2002-12-11
GB2378944B (en) 2004-08-25
EP1272265A1 (de) 2003-01-08
DE60123592D1 (de) 2006-11-16
GB2378944A (en) 2003-02-26

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Legal Events

Date Code Title Description
CHRG Changes in the register

Free format text: CORRECTION OF THE NAME OF APPLICANT FROM GERSAN ESTABLISHMENT TO ELEMENT SIX (PROPRIETARY) LIMITED

PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20200402