The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 21, 2023
Filed:
May. 26, 2017
Sphere Fluidics Limited, Babraham, GB;
Xin Li, Babraham, GB;
Clive A. Smith, Babraham, GB;
Alexandra Clay, Babraham, GB;
Frank F. Craig, Babraham, GB;
SPHERE FLUIDICS LIMITED, Babraham, GB;
Abstract
The present invention provides a surfactant having a formula selected from the group consisting of: B—((X)—(CH)-A)(VI), (A-(CH)—(X)—B—(X)—(CH)-A)(IV), (A-(CH)—(X)—B)(V), and (B)—(X)—(CH)-A (VII), wherein A is a perfluoropolyether; a is a positive integer; X is either a covalent bond or a linking group; x is a positive integer; B is a polyalkylene oxide unit; n is a positive integer greater than 1 and, in compounds comprising more than one A, B, X, a and x, each may be the same or different. The present invention also relates to methods of making such surfactants, uses of such surfactants and emulsions comprising such surfactants.