Assertion: hydrocyanic acid | /r/HasProperty | obtained
Facets:
value: according to u.s. pat
type: OTHER
value: after working up the product gas
type: TEMPORAL
Source sentences:
text: After working up the product gas a hydrocyanic acid is obtained which shows a purity of over 99 percent.
text: The hydrocyanic acid can be obtained according to U.S. Pat.