Assignee
PRETORIA PORTLAND CEMENT
ZA·3 granted patents·178 citations·filing 1993–2000
Top patents by PatentIndex Score
3 records- 0187US5376343AProduction of purified calcium carbonatePRETORIA PORTLAND CEMENT·Filed 1993·Granted Dec 27, 1994·86 cites·19 claims
- 0282US6036933ACalcium carbonate precipitation methodPRETORIA PORTLAND CEMENT·Filed 1996·Granted Mar 14, 2000·51 cites·13 claims
- 0381US6790034B1Kiln plant control systemPRETORIA PORTLAND CEMENT·Filed 2000·Granted Sep 14, 2004·41 cites·19 claims
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