CH476639A - Process for the synthesis of diamond - Google Patents

Process for the synthesis of diamond

Info

Publication number
CH476639A
CH476639A CH698265A CH698265A CH476639A CH 476639 A CH476639 A CH 476639A CH 698265 A CH698265 A CH 698265A CH 698265 A CH698265 A CH 698265A CH 476639 A CH476639 A CH 476639A
Authority
CH
Switzerland
Prior art keywords
diamond
synthesis
Prior art date
Application number
CH698265A
Other languages
German (de)
Inventor
Robert Cowan George
Willard Dunnington Bruce
Harold Holtzman Arnold
Max Kruse Jurgen
Marsden Willis Frank
Original Assignee
Du Pont
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
Application filed by Du Pont filed Critical Du Pont
Priority claimed from US516201A external-priority patent/US3399254A/en
Publication of CH476639A publication Critical patent/CH476639A/en

Links

Classifications

    • 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
    • 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
    • B01J2203/061—Graphite
    • 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
    • B01J2203/0605—Composition of the material to be processed
    • B01J2203/0625—Carbon
    • 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
    • B01J2203/068—Crystal growth
    • 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
    • B01J2203/0685—Crystal sintering

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Powder Metallurgy (AREA)
CH698265A 1964-05-19 1965-05-19 Process for the synthesis of diamond CH476639A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US36853964A 1964-05-19 1964-05-19
US36850464A 1964-05-19 1964-05-19
US37310964A 1964-06-05 1964-06-05
US38875364A 1964-08-11 1964-08-11
US41324764A 1964-11-23 1964-11-23
US516201A US3399254A (en) 1964-05-19 1965-11-24 Process for sintering diamond particles

Publications (1)

Publication Number Publication Date
CH476639A true CH476639A (en) 1969-08-15

Family

ID=27559860

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1125268A CH489431A (en) 1964-05-19 1965-05-19 Process for the selective oxidation of non-diamond-like carbon mixed with diamond
CH698265A CH476639A (en) 1964-05-19 1965-05-19 Process for the synthesis of diamond

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1125268A CH489431A (en) 1964-05-19 1965-05-19 Process for the selective oxidation of non-diamond-like carbon mixed with diamond

Country Status (9)

Country Link
JP (1) JPS5410558B1 (en)
BE (1) BE664177A (en)
CH (2) CH489431A (en)
DE (3) DE1667691A1 (en)
FR (1) FR1445573A (en)
IL (1) IL23569A (en)
LU (1) LU48636A1 (en)
NL (1) NL152513B (en)
SE (1) SE316155B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4215845A1 (en) * 1992-05-14 1993-11-18 Behrends Holger Jewellery grade diamond synthesis - by carbon@ compression using reaction vol. increase of reagent (mixt.)
RU2021851C1 (en) * 1992-05-19 1994-10-30 Международная ассоциация "Земля и космонавтика" Method of producing dispersed materials
JP2017013047A (en) * 2015-07-01 2017-01-19 株式会社神戸製鋼所 Coated particle

Also Published As

Publication number Publication date
LU48636A1 (en) 1965-11-19
DE1567746B2 (en) 1970-09-17
NL152513B (en) 1977-03-15
DE1567746A1 (en) 1969-10-30
BE664177A (en) 1965-11-19
DE1667690A1 (en) 1971-07-22
NL6506395A (en) 1965-11-22
IL23569A (en) 1968-09-26
JPS5410558B1 (en) 1979-05-08
DE1667691A1 (en) 1971-10-07
CH489431A (en) 1970-06-15
FR1445573A (en) 1966-07-15
SE316155B (en) 1969-10-20

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Legal Events

Date Code Title Description
PL Patent ceased