EP 2935504 A1 20151028 - HYDROCARBONS
Title (en)
HYDROCARBONS
Title (de)
KOHLENWASSERSTOFFE
Title (fr)
HYDROCABURES
Publication
Application
Priority
- GB 201223171 A 20121221
- GB 2013053331 W 20131218
Abstract (en)
[origin: WO2014096813A1] A method of removing hydrocarbon-based adherent, for example bitumen, from a solid substrate, for example tar sands comprises contacting the solid substrate which includes associated hydrocarbon-based adherent with a treatment formulation which includes a polymeric material which includes vinylalcohol and vinylacetate repeat units. The polymeric material may be a 70-95 mole% hydrolysed polyvinylalcohol.
IPC 8 full level
C09K 3/32 (2006.01); C09K 8/588 (2006.01)
CPC (source: EP US)
C09K 3/32 (2013.01 - EP US); C09K 8/588 (2013.01 - EP US); C10G 1/045 (2013.01 - US); E21B 43/35 (2020.05 - EP US)
Citation (search report)
See references of WO 2014096813A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2014096813 A1 20140626; CA 2884924 A1 20140626; CA 2884924 C 20200825; EP 2935504 A1 20151028; GB 201223171 D0 20130206; US 2015315479 A1 20151105
DOCDB simple family (application)
GB 2013053331 W 20131218; CA 2884924 A 20131218; EP 13826576 A 20131218; GB 201223171 A 20121221; US 201314651806 A 20131218