CH225373A - Process for the production of artificial structures. - Google Patents

Process for the production of artificial structures.

Info

Publication number: CH225373A
Authority: CH; Switzerland
Prior art keywords: production; artificial structures; artificial; structures
Prior art date: 1940-10-29

Application number

Other languages

German (de)

Inventor

Phrix-Arbeitsgemeinschaft

Original Assignee

Phrix Arbeitsgemeinschaft

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.)

1940-10-29

Filing date

1941-06-18

Publication date

1943-01-31

1941-06-18 Application filed by Phrix Arbeitsgemeinschaft filed Critical Phrix Arbeitsgemeinschaft

1943-01-31 Publication of CH225373A publication Critical patent/CH225373A/en

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/02—Manually-operated control
- H03G5/04—Manually-operated control in untuned amplifiers
- H03G5/06—Manually-operated control in untuned amplifiers having discharge tubes
- H03G5/08—Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/04—Preparatory processes
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Polyamides (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

CH225373D 1940-10-29 1941-06-18 Process for the production of artificial structures. CH225373A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE291040X		1940-10-29

Publications (1)

Publication Number	Publication Date
CH225373A true CH225373A (en)	1943-01-31

Family

ID=6065603

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CH225373D CH225373A (en)	1940-10-29	1941-06-18	Process for the production of artificial structures.
CH225466D CH225466A (en)	1940-10-29	1941-09-26	Circuit arrangement for simultaneous automatic bass boosting and cutting of the upper frequencies in the low frequency section of radio receivers.

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
CH225466D CH225466A (en)	1940-10-29	1941-09-26	Circuit arrangement for simultaneous automatic bass boosting and cutting of the upper frequencies in the low frequency section of radio receivers.

Country Status (4)

Country	Link
BE (1)	BE442169A (en)
CH (2)	CH225373A (en)
FR (1)	FR879430A (en)
NL (1)	NL57210C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1030022B (en) *	1953-02-24	1958-05-14	Gen Aniline & Film Corp	Process for the production of high molecular weight polymerisation products

1941
- 1941-06-18 CH CH225373D patent/CH225373A/en unknown
- 1941-06-20 FR FR879430D patent/FR879430A/en not_active Expired
- 1941-06-28 NL NL101912A patent/NL57210C/nl active
- 1941-07-17 BE BE442169A patent/BE442169A/en unknown
- 1941-09-26 CH CH225466D patent/CH225466A/en unknown

Also Published As

Publication number	Publication date
FR879430A (en)	1943-02-23
CH225466A (en)	1943-01-31
NL57210C (en)	1946-08-16
BE442169A (en)	1941-08-30

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