| (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 |
| (30) |
Priority: |
30.09.2014 US 201414502483
|
| (71) |
Applicant: Carbo Ceramics Inc. |
|
Houston, Texas 77079 (US) |
|
| (72) |
Inventors: |
|
- ELDRED, Benjamin T.
Houston, Texas 77077 (US)
- WILSON, Brett A.
Cypress, Texas 77433 (US)
- GARDINIER, Clayton F.
Houston, Texas 77095 (US)
- DUENCKEL, Robert
Colorado Springs, Colorado 80921 (US)
|
| (74) |
Representative: Carpmaels & Ransford LLP |
|
One Southampton Row
London WC1B 5HA
London WC1B 5HA (GB) |
|
