CA2013669A1 - Stable emulsions of perfluoropolyethers - Google Patents

Stable emulsions of perfluoropolyethers

Info

Publication number
CA2013669A1
CA2013669A1 CA2013669A CA2013669A CA2013669A1 CA 2013669 A1 CA2013669 A1 CA 2013669A1 CA 2013669 A CA2013669 A CA 2013669A CA 2013669 A CA2013669 A CA 2013669A CA 2013669 A1 CA2013669 A1 CA 2013669A1
Authority
CA
Canada
Prior art keywords
perfluoropolyethers
stable emulsions
stable
emulsions
diphase
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.)
Granted
Application number
CA2013669A
Other languages
French (fr)
Other versions
CA2013669C (en
Inventor
Fabio Brunetta
Giovanni Pantini
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.)
Solvay Specialty Polymers Italy SpA
Original Assignee
Ausimont 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
Priority claimed from IT8919974A external-priority patent/IT1229222B/en
Application filed by Ausimont SpA filed Critical Ausimont SpA
Priority to CA002013669A priority Critical patent/CA2013669C/en
Publication of CA2013669A1 publication Critical patent/CA2013669A1/en
Application granted granted Critical
Publication of CA2013669C publication Critical patent/CA2013669C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Colloid Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Cosmetics (AREA)

Abstract

Stable diphase emulsions consisting of :
a) perfluoropolyethers having perfluoroalkyl end groups;
b) a conventional surfactant, dispersed in c) a continuous dispersing phase consisting of glycerol or of a polyhydroxylated compound containing at least three hydroxyl groups, selected from polyalcohols and saccharides, dissolved in a hydrophile solvent and/or water.
CA002013669A 1989-03-31 1990-04-02 Stable emulsions of perfluoropolyethers Expired - Lifetime CA2013669C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002013669A CA2013669C (en) 1989-03-31 1990-04-02 Stable emulsions of perfluoropolyethers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT8919974A IT1229222B (en) 1989-03-31 1989-03-31 STABLE EMULSIONS OF PERFLUOROPOLYETERS
CA002013669A CA2013669C (en) 1989-03-31 1990-04-02 Stable emulsions of perfluoropolyethers

Publications (2)

Publication Number Publication Date
CA2013669A1 true CA2013669A1 (en) 1991-10-02
CA2013669C CA2013669C (en) 2001-01-09

Family

ID=25674043

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002013669A Expired - Lifetime CA2013669C (en) 1989-03-31 1990-04-02 Stable emulsions of perfluoropolyethers

Country Status (1)

Country Link
CA (1) CA2013669C (en)

Also Published As

Publication number Publication date
CA2013669C (en) 2001-01-09

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)
MKEC Expiry (correction)

Effective date: 20121202