| PATENT ASSIGNEE'S COUNTRY | Germany |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Na percarbonate core) coated with Na sulphate prepn - Core produced by fluidized bed spray granulation - Coat. layer obtained by spraying aq Na2SO4 soln onto uncoated particles of Na2CO5 fluidized bed spray granula te located in bed - Evaporating water while maintaining bed T 35 - 100C |
| PATENT PHOTOCOPY | Available on request |
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