GB1191409A - Heat Transfer Agents. - Google Patents

Heat Transfer Agents.

Info

Publication number
GB1191409A
GB1191409A GB5920568A GB5920568A GB1191409A GB 1191409 A GB1191409 A GB 1191409A GB 5920568 A GB5920568 A GB 5920568A GB 5920568 A GB5920568 A GB 5920568A GB 1191409 A GB1191409 A GB 1191409A
Authority
GB
United Kingdom
Prior art keywords
heat transfer
transfer agents
chlorotoluene
dec
mixture
Prior art date
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
GB5920568A
Inventor
Hermann Wunderlich
Gerhard Jung
Josef Szymkowiak
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.)
Bayer AG
Original Assignee
Bayer AG
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.)
Filing date
Publication date
Priority claimed from DE19671619698 external-priority patent/DE1619698B1/en
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB1191409A publication Critical patent/GB1191409A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/08—Materials not undergoing a change of physical state when used
    • C09K5/10—Liquid materials

Abstract

1,191,409. Ditolyl ethers. FARBENFABRIKEN BAYER A.G. 12 Dec., 1968 [28 Dec., 1967], No. 59205/68. Heading C2C. [Also in Division C4] In an example a mixture of the six isomeric ditolyl ethers is prepared from a mixture of equal parts of o- and p-chlorotoluene containing some m-chlorotoluene by heating with 15% aqueous sodium hydroxide for one hour at 360‹ C. and 250 atmospheres pressure.
GB5920568A 1967-12-28 1968-12-12 Heat Transfer Agents. Expired GB1191409A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19671619698 DE1619698B1 (en) 1967-12-28 1967-12-28 The use of mixtures of isomeric ditolyl ethers as heat transfer media

Publications (1)

Publication Number Publication Date
GB1191409A true GB1191409A (en) 1970-05-13

Family

ID=5682432

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5920568A Expired GB1191409A (en) 1967-12-28 1968-12-12 Heat Transfer Agents.

Country Status (5)

Country Link
AT (1) AT282556B (en)
BE (1) BE725994A (en)
CH (1) CH505192A (en)
FR (1) FR1596447A (en)
GB (1) GB1191409A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0235647A2 (en) * 1986-02-25 1987-09-09 Bayer Ag Process for the manufacture of 6,13-dihydroquinacridones and quinacridones

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0235647A2 (en) * 1986-02-25 1987-09-09 Bayer Ag Process for the manufacture of 6,13-dihydroquinacridones and quinacridones
US4812568A (en) * 1986-02-25 1989-03-14 Bayer Aktiengesellschaft Process for the preparation of 6,13-dihydroquinacridones and quinacridones
EP0235647A3 (en) * 1986-02-25 1990-09-26 Bayer Ag Process for the manufacture of 6,13-dihydroquinacridones and quinacridones

Also Published As

Publication number Publication date
AT282556B (en) 1970-07-10
BE725994A (en) 1969-05-29
FR1596447A (en) 1970-06-15
CH505192A (en) 1971-03-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee