FR672115A - Procédé pour la production de granules de carbone - Google Patents

Procédé pour la production de granules de carbone

Info

Publication number: FR672115A
Authority: FR; France
Prior art keywords: production; carbon granules; granules; carbon
Prior art date: 1929-02-21
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

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Thales SA

Original Assignee

Le Materiel Telephonique Thomson CSF

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.)

1929-02-21

Filing date

1929-03-27

Publication date

1929-12-23

1929-03-27 Application filed by Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF

1929-12-23 Application granted granted Critical

1929-12-23 Publication of FR672115A publication Critical patent/FR672115A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- 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
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Carbon And Carbon Compounds (AREA)

FR672115D 1929-02-21 1929-03-27 Procédé pour la production de granules de carbone Expired FR672115A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB5759/29A GB329652A (en)	1929-02-21	1929-02-21	Method of producing carbon granules

Publications (1)

Publication Number	Publication Date
FR672115A true FR672115A (fr)	1929-12-23

Family

ID=9802123

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR672115D Expired FR672115A (fr)	1929-02-21	1929-03-27	Procédé pour la production de granules de carbone

Country Status (2)

Country	Link
FR (1)	FR672115A (fr)
GB (1)	GB329652A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1056368A (fr) *	1951-04-28	1954-02-26
US2697028A (en) *	1951-04-28	1954-12-14	Bell Telephone Labor Inc	Methods of producing dehydrogenated hydrocarbon bodies
US2697029A (en) *	1951-04-28	1954-12-14	Bell Telephone Labor Inc	Methods of producing carbonized substances containing silicon
US3109712A (en) *	1960-01-11	1963-11-05	Plessey Co Ltd	Bodies and shapes of carbonaceous materials and processes for their production
US4371454A (en) *	1979-11-02	1983-02-01	Kureha Kagaku Kogyo Kabushiki Kaisha	Process for preparing spherical carbon material and spherical activated carbon
JPS5910930B2 (ja)	1979-11-02	1984-03-12	呉羽化学工業株式会社	球状炭素成形体の製造方法
US11390524B2 (en)	2017-02-08	2022-07-19	National Electrical Carbon Products, Inc.	Carbon powders and methods of making same

1929
- 1929-02-21 GB GB5759/29A patent/GB329652A/en not_active Expired
- 1929-03-27 FR FR672115D patent/FR672115A/fr not_active Expired

Also Published As

Publication number	Publication date
GB329652A (en)	1930-05-21

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