FR52019E - Improvements to the processes for obtaining purified latex, rubber, gutta-percha, balata or analgesia - Google Patents

Improvements to the processes for obtaining purified latex, rubber, gutta-percha, balata or analgesia

Info

Publication number: FR52019E
Authority: FR; France
Prior art keywords: balata; percha; gutta; analgesia; rubber
Prior art date: 1938-06-27
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.)

Rubber Stichting

Original Assignee

Rubber Stichting

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.)

1938-06-27

Filing date

1940-11-06

Publication date

1943-06-30

1940-11-06 Application filed by Rubber Stichting filed Critical Rubber Stichting

1943-06-30 Application granted granted Critical

1943-06-30 Publication of FR52019E publication Critical patent/FR52019E/en

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/04—Purifying; Deproteinising
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/075—Concentrating
- C08C1/08—Concentrating with the aid of creaming agents
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/075—Concentrating
- C08C1/10—Concentrating by centrifugation

Landscapes

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

FR52019D 1938-06-27 1940-11-06 Improvements to the processes for obtaining purified latex, rubber, gutta-percha, balata or analgesia Expired FR52019E (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL2303430X		1938-06-27
NL859791X		1938-06-27

Publications (1)

Publication Number	Publication Date
FR52019E true FR52019E (en)	1943-06-30

Family

ID=19847372

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
FR859791D Expired FR859791A (en)	1938-06-27	1939-06-14	Improvements in processes for obtaining purified latex, rubber, gutta-percha, balata or the like
FR52019D Expired FR52019E (en)	1938-06-27	1940-11-06	Improvements to the processes for obtaining purified latex, rubber, gutta-percha, balata or analgesia

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
FR859791D Expired FR859791A (en)	1938-06-27	1939-06-14	Improvements in processes for obtaining purified latex, rubber, gutta-percha, balata or the like

Country Status (2)

Country	Link
FR (2)	FR859791A (en)
NL (4)	NL55312C (en)

0
- NL NL54094D patent/NL54094C/xx active
- NL NL50022D patent/NL50022C/xx active
- NL NL31870D patent/NL31870C/xx active
- NL NL55312D patent/NL55312C/xx active
1939
- 1939-06-14 FR FR859791D patent/FR859791A/en not_active Expired
1940
- 1940-11-06 FR FR52019D patent/FR52019E/en not_active Expired

Also Published As

Publication number	Publication date
NL31870C (en)
FR859791A (en)	1940-12-28
NL54094C (en)
NL50022C (en)
NL55312C (en)

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