Assertion: boric acid | /r/HasProperty | dehydrated at temperature
Facets:
value: in accordance with the present invention
type: OTHER
value: until at least about 50%
type: TEMPORAL
Source sentences:
text: In accordance with the present invention, orthoboric acid in particulate form in admixture With an organic liquid is dehydrated at temperatures in the range of 110 to 160 C., referably 140 to 155 C., until at least about 50%, preferably until at least about 70%, of the orthoboric acid is dehydrated to metaboric acid.