| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 07.99 |
| PATENT ASSIGNEE | Philip Morris (New York; NY) |
| PATENT CLAIMS |
Mfg method - Forming first soln contg Mg bicarbonate - Heat. to 45-55C - Adding aq soln of strong base to heated soln & stirring mixed soln for 4-18 hours to form ppcc |
| PATENT PHOTOCOPY | Available on request |
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