Patent application EP20176474A (EP), filed 2020-05-26
Publication number: EP3747423A1
Title: HYDROCARBON SOLVENT COMPOSITION
Abstract: [0001]    Provided is a hydrocarbon solvent composition including 80 wt% or more of a C<7> saturated hydrocarbon component and 1 wt% or less of an aromatic component, based on the total weight of the hydrocarbon solvent composition, wherein the hydrocarbon solvent composition satisfies the following Equation 1:  5 < W IC 7 W NC 7 < 100

<img class="EMIRef" id="684741454-ia01" />
IPC codes: A61K  47/    06            A I
A61K   8/    31            A I
A61Q  19/    00            A I
Claims: number: 1
text: A hydrocarbon solvent composition comprising:
number: 2
text: The hydrocarbon solvent composition of claim 1, further comprising 1 wt% or less of a C<5> saturated hydrocarbon component, based on the total weight of the hydrocarbon solvent composition.
number: 3
text: The hydrocarbon solvent composition of claim 1, further comprising 1 wt% or less of a C<8> saturated hydrocarbon component, based on the total weight of the hydrocarbon solvent composition.
number: 4
text: The hydrocarbon solvent composition of claim 1, further comprising 30 wt% or more and 45 wt% or less of a C<7> cyclic saturated hydrocarbon component, based on the total weight of the hydrocarbon solvent composition.
number: 5
text: The hydrocarbon solvent composition of claim 1, further comprising 5 wt% or less of C<7> n-paraffin, based on the total weight of the hydrocarbon solvent composition.
number: 6
text: The hydrocarbon solvent composition of claim 1, wherein the hydrocarbon solvent composition further satisfies the following Equation 2:  1 ≤ W IC W N ≤ 1.4
number: 7
text: The hydrocarbon solvent composition of claim 1, further comprising less than 1 ppm of sulfur, based on the total weight of the hydrocarbon solvent composition.
number: 8
text: The hydrocarbon solvent composition of claim 1, wherein the hydrocarbon solvent composition includes 80 wt% or more and 99.5 wt% or less of the C<7> saturated hydrocarbon component, 0.0001 wt% or more and 1 wt% or less of the aromatic component, and 0.4 wt% or more and 19 wt% or less of the remaining components other than the C<7> saturated hydrocarbon component and the aromatic component, based on the total weight of the hydrocarbon solvent composition.
number: 9
text: The hydrocarbon solvent composition of claim 1, wherein the hydrocarbon solvent composition includes 80 wt% or more and 99.5 wt% or less of the C<7> saturated hydrocarbon component, 0.0001 wt% or more and 1 wt% or less of the aromatic component, 0.001 wt% or more and 1 wt% or less of a C<5> saturated hydrocarbon component, 0.001 wt% or more and 1 wt% or less of a C<8> saturated hydrocarbon component, and 0.1 wt% or more and 17 wt% or less of a C<6> saturated hydrocarbon component, based on the total weight of the hydrocarbon solvent composition.
number: 10
text: The hydrocarbon solvent composition of claim 1, wherein the hydrocarbon solvent composition has an aniline point of 70°C or less.
number: 11
text: The hydrocarbon solvent composition of claim 1, wherein the hydrocarbon solvent composition has an evaporation rate of 25 to 45 when an evaporation rate of n-butyl acetate (n-BuAc) is set to 100 according to ASTM D3539.
Office action: search_report, dated 2020-12-09
Rejection reasons: novelty_epc_54
Prior art cited: ref_id: WO2015101837A2
ref_type: patent
severity: background
ref_id: EP3228309A1
ref_type: patent
severity: background
ref_id: JP2000044994A
ref_type: patent
severity: background
ref_id: JPH07228897A
ref_type: patent
severity: background
ref_id: JPH07228897
ref_type: patent
severity: novelty_destroying
ref_id: JP2000044994
ref_type: patent
severity: novelty_destroying
ref_id: WO2015101837
ref_type: patent
severity: novelty_destroying
ref_id: EP3228309
ref_type: patent
severity: novelty_destroying
Final disposition: pending (2020-12-09)