FR1074732A - Perfectionnements relatifs à un procédé d'obtention d'un copolymère - Google Patents

Perfectionnements relatifs à un procédé d'obtention d'un copolymère

Info

Publication number: FR1074732A
Authority: FR; France
Prior art keywords: copolymer; obtaining; improvements relating; relating
Prior art date: 1950-01-03
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.)

Dow Chemical Co

Original Assignee

Dow Chemical Co

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.)

1950-01-03

Filing date

1952-12-30

Publication date

1954-10-07

1950-01-03 Priority claimed from US136584A external-priority patent/US2638465A/en

1952-12-30 Application filed by Dow Chemical Co filed Critical Dow Chemical Co

1954-10-07 Application granted granted Critical

1954-10-07 Publication of FR1074732A publication Critical patent/FR1074732A/fr

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/12—Monomers containing a branched unsaturated aliphatic radical or a ring substituted by an alkyl radical
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F6/00—Post-polymerisation treatments
- C08F6/001—Removal of residual monomers by physical means
- C08F6/005—Removal of residual monomers by physical means from solid polymers

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Polymerisation Methods In General (AREA)

FR1074732D 1950-01-03 1952-12-30 Perfectionnements relatifs à un procédé d'obtention d'un copolymère Expired FR1074732A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US136584A US2638465A (en)	1950-01-03	1950-01-03	Copolymers of styrene and alphamethyl styrene and process for making the same
US305444A US2638466A (en)	1950-01-03	1952-08-20	Copolymers of styrene and alphamethyl styrene and process for making the same

Publications (1)

Publication Number	Publication Date
FR1074732A true FR1074732A (fr)	1954-10-07

Family

ID=26834444

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1074732D Expired FR1074732A (fr)	1950-01-03	1952-12-30	Perfectionnements relatifs à un procédé d'obtention d'un copolymère

Country Status (5)

Country	Link
US (1)	US2638466A (fr)
BE (1)	BE516753A (fr)
FR (1)	FR1074732A (fr)
GB (1)	GB718687A (fr)
NL (1)	NL83034C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3208946A (en) *	1961-06-07	1965-09-28	Shell Oil Co	Lubricants and additives therefor
GB9420645D0 (en) *	1994-10-13	1994-11-30	Dow Chemical Co	Non-linear stytrenic polymer compositions and articles prepared therefrom

0
- BE BE516753D patent/BE516753A/xx unknown
1952
- 1952-08-20 US US305444A patent/US2638466A/en not_active Expired - Lifetime
- 1952-12-30 FR FR1074732D patent/FR1074732A/fr not_active Expired
- 1952-12-31 GB GB33132/52A patent/GB718687A/en not_active Expired
1953
- 1953-01-08 NL NL175148A patent/NL83034C/xx active

Also Published As

Publication number	Publication date
BE516753A (fr)
US2638466A (en)	1953-05-12
NL83034C (fr)	1956-10-15
GB718687A (en)	1954-11-17

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