US 2019/0276397 A1Published application

Fluorinated tensides

AssigneeMerck Patent GmbH

InventorsReiner FRIEDRICH, Fabian KOCH

Life of this patent

Estimating the term…

Abstract

The present invention relates to novel compounds containing fluorinated end groups, to the use thereof as surface-active substances, and to compositions comprising these compounds.

Claims9

Dependent claims

Compounds of the formula (I)

(R1—CHF—CF2—Y—)mspacer(X)n (I)
where
R1=a fluorinated, linear or branched alkyl group, optionally containing heteroatoms,
spacer=a single bond or a divalent organic group,
X=a hydrophilic group,
Y=S, SO or SO2,
m and n, independently of one another, are ≥1,
where compounds (A), (B) and (C) in which Rf=a perfluorinated alkyl group, optionally containing heteroatoms, and R′=H or C1-C4-alkyl are excluded

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/347,424Filed 1 Nov 2017
Priority: DE 10 2016 013 066.03 Nov 2016
Published: 12 Sep 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification15 codes

C07C 323/12
Having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton: the carbon skeleton being acyclic and saturated
C07C 317/04
Having sulfone or sulfoxide groups bound to acyclic carbon atoms: of an acyclic saturated carbon skeleton
C07C 317/18
Having sulfone or sulfoxide groups and singly-bound oxygen atoms bound to the same carbon skeleton: with sulfone or sulfoxide groups bound to…
C07C 321/14
Sulfides, hydropolysulfides, or polysulfides having thio groups bound to acyclic carbon atoms: of an acyclic saturated carbon skeleton

Family

US 11,535,589 B2Related patent
US 2019/0276397 A1This patent

From the US filing history. Foreign family members aren’t listed.

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