FR847295A - Amplifier tube - Google Patents

Amplifier tube

Info

Publication number: FR847295A
Authority: FR; France
Prior art keywords: amplifier tube; amplifier; tube
Prior art date: 1937-12-30
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.)

Fides BV

Original Assignee

Fides BV

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.)

1937-12-30

Filing date

1938-12-09

Publication date

1939-10-05

1938-12-09 Application filed by Fides BV filed Critical Fides BV

1939-10-05 Application granted granted Critical

1939-10-05 Publication of FR847295A publication Critical patent/FR847295A/en

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/205—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase
- C08J3/21—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase
- C08J3/215—Compounding polymers with additives, e.g. colouring in the presence of a continuous liquid phase the polymer being premixed with a liquid phase at least one additive being also premixed with a liquid phase
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/30—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2321/00—Characterised by the use of unspecified rubbers

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)

FR847295D 1937-12-30 1938-12-09 Amplifier tube Expired FR847295A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE847295X		1937-12-30

Publications (1)

Publication Number	Publication Date
FR847295A true FR847295A (en)	1939-10-05

Family

ID=6775280

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR847295D Expired FR847295A (en)	1937-12-30	1938-12-09	Amplifier tube

Country Status (2)

Country	Link
FR (1)	FR847295A (en)
NL (1)	NL54234C (en)

0
- NL NL54234D patent/NL54234C/xx active
1938
- 1938-12-09 FR FR847295D patent/FR847295A/en not_active Expired

Also Published As

Publication number	Publication date
NL54234C (en)

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