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
GB21615/57A
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BERGBAU AG NEUE HOFFNUNG
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BERGBAU AG NEUE HOFFNUNG
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Application filed by BERGBAU AG NEUE HOFFNUNGfiledCriticalBERGBAU AG NEUE HOFFNUNG
Publication of GB862547ApublicationCriticalpatent/GB862547A/en
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
C08F240/00—Copolymers of hydrocarbons and mineral oils, e.g. petroleum resins
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Chemical & Material Sciences
(AREA)
Engineering & Computer Science
(AREA)
General Chemical & Material Sciences
(AREA)
Oil, Petroleum & Natural Gas
(AREA)
Health & Medical Sciences
(AREA)
Chemical Kinetics & Catalysis
(AREA)
Medicinal Chemistry
(AREA)
Polymers & Plastics
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Organic Chemistry
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Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications
(AREA)
Polymerisation Methods In General
(AREA)
Abstract
Coumarone-indene resins are produced by polymerizing coal-tar oils containing coumarone and indene with sulphuric acid in the presence of an adsorption agent, particularly bleaching earth.
GB21615/57A1956-07-261957-07-08Improvements relating to the production of coumarone-indene resins
ExpiredGB862547A
(en)