(19)
(11) EP 3 478 809 A1

(12)

(43) Date of publication:
08.05.2019 Bulletin 2019/19

(21) Application number: 17821281.7

(22) Date of filing: 29.06.2017
(51) International Patent Classification (IPC): 
C11D 1/62(2006.01)
C11D 3/43(2006.01)
(86) International application number:
PCT/US2017/040073
(87) International publication number:
WO 2018/005847 (04.01.2018 Gazette 2018/01)
(84) Designated Contracting States:
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 States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 30.06.2016 US 201615198597

(71) Applicant: United Laboratories International LLC
Houston, TX 77034 (US)

(72) Inventors:
  • MATZA, Stephen D.
    Sugar Land, Texas 77478 (US)
  • ARCHULETA, Dana M.
    Pearland, Texas 77581 (US)

(74) Representative: Abel & Imray 
Westpoint Building James Street West
Bath BA1 2DA
Bath BA1 2DA (GB)

   


(54) SOLVENT COMPOSITION AND PROCESS FOR REMOVAL OF ASPHALT AND OTHER CONTAMINANT MATERIALS