GB1349723A - Cyclic perfluoropolyethers - Google Patents

Cyclic perfluoropolyethers

Info

Publication number
GB1349723A
GB1349723A GB2443071*A GB2443071A GB1349723A GB 1349723 A GB1349723 A GB 1349723A GB 2443071 A GB2443071 A GB 2443071A GB 1349723 A GB1349723 A GB 1349723A
Authority
GB
United Kingdom
Prior art keywords
cof
perfluoro
formula
products
compounds
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
GB2443071*A
Other languages
English (en)
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.)
Montedison SpA
Original Assignee
Montedison SpA
Montecatini Edison SpA
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
Application filed by Montedison SpA, Montecatini Edison SpA filed Critical Montedison SpA
Publication of GB1349723A publication Critical patent/GB1349723A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M3/00—Liquid compositions essentially based on lubricating components other than mineral lubricating oils or fatty oils and their use as lubricants; Use as lubricants of single liquid substances
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/04—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions obtained from monomers containing carbon, hydrogen, halogen and oxygen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2213/06—Perfluoro polymers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Form in which the lubricant is applied to the material being lubricated semi-solid; greasy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Fire-Extinguishing Compositions (AREA)
GB2443071*A 1970-03-12 1971-04-19 Cyclic perfluoropolyethers Expired GB1349723A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2182570 1970-03-12

Publications (1)

Publication Number Publication Date
GB1349723A true GB1349723A (en) 1974-04-10

Family

ID=11187378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2443071*A Expired GB1349723A (en) 1970-03-12 1971-04-19 Cyclic perfluoropolyethers

Country Status (6)

Country Link
CA (1) CA958021A (enrdf_load_stackoverflow)
DE (1) DE2111696A1 (enrdf_load_stackoverflow)
ES (1) ES389126A1 (enrdf_load_stackoverflow)
FR (1) FR2084474A5 (enrdf_load_stackoverflow)
GB (1) GB1349723A (enrdf_load_stackoverflow)
NL (1) NL7103057A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025093A (en) * 1985-11-08 1991-06-18 Exfluor Research Corporation Pyrolysis of perfluoropolyethers
WO1992022547A1 (en) * 1991-06-12 1992-12-23 E.I. Du Pont De Nemours And Company Perfluoro cyclic polyethers useful as lubricants and heat transfer fluids

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4399264A (en) * 1981-11-19 1983-08-16 E. I. Du Pont De Nemours & Co. Perfluorodioxole and its polymers
FR2912418B1 (fr) 2007-02-12 2012-10-26 Arkema France Fluide frigorigene a base de diether cyclique.
CN116585292A (zh) 2012-07-10 2023-08-15 加利福尼亚大学董事会 引起麻醉的方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025093A (en) * 1985-11-08 1991-06-18 Exfluor Research Corporation Pyrolysis of perfluoropolyethers
WO1992022547A1 (en) * 1991-06-12 1992-12-23 E.I. Du Pont De Nemours And Company Perfluoro cyclic polyethers useful as lubricants and heat transfer fluids
JP3046840B2 (ja) 1991-06-12 2000-05-29 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー 潤滑油および熱媒液として有用なパーフルオロ環状ポリエーテル

Also Published As

Publication number Publication date
ES389126A1 (es) 1973-06-01
CA958021A (en) 1974-11-19
NL7103057A (enrdf_load_stackoverflow) 1971-09-14
DE2111696A1 (de) 1972-01-27
FR2084474A5 (enrdf_load_stackoverflow) 1971-12-17

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees