(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 |
(30) | Priority: | 28.12.2012 US 201261746724 P 28.12.2012 US 201261746732 P
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(43) | Date of publication of application: | | 02.07.2014 Bulletin 2014/27 |
(60) | Divisional application: | | 17175245.4 / 3241883 | | 17202001.8 |
(73) | Proprietor: Afton Chemical Corporation | | Richmond, VA 23219 (US) |
| (72) | Inventors: | | - Tang, Hong-Zhi
Richmond, VA Virginia 23219 (US) - Lee Staathoff
23060 Glenn Allen (US)
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(74) | Representative: Schwabe - Sandmair - Marx | | Patentanwälte Rechtsanwalt
Partnerschaft mbB
Joseph-Wild-Straße 20 81829 München 81829 München (DE) |
(56) | References cited:
: EP-A1- 1 840 194 FR-A1- 2 986 801
| EP-A1- 2 520 640 US-A- 4 252 662
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