(19)
(11) EP 3 003 602 A1

(12)

(43) Date of publication:
13.04.2016 Bulletin 2016/15

(21) Application number: 14736098.6

(22) Date of filing: 30.05.2014
(51) International Patent Classification (IPC): 
B22C 9/08(2006.01)
B22D 18/00(2006.01)
(86) International application number:
PCT/US2014/040120
(87) International publication number:
WO 2014/194153 (04.12.2014 Gazette 2014/49)
(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

(30) Priority: 30.05.2013 US 201361828741 P

(71) Applicant: Ask Chemicals L. P.
Wilmington, DE 19801 (US)

(72) Inventors:
  • HORVATH, Lee, R.
    Powell, OH 43065 (US)
  • AUFDERHEIDE, Ronald, C.
    London, OH 43140 (US)
  • RAMRATTAN, Sam, Nerone
    Kalamazoo, MI 49008 (US)
  • HARMON, Sean, B.
    Columbus, OH 43204 (US)

(74) Representative: Müller Schupfner & Partner Patent- und Rechtsanwaltspartnerschaft mbB 
Schellerdamm 19
21079 Hamburg
21079 Hamburg (DE)

   


(54) SLEEVE WITH FILTERING CHECK VALVE