Assertion: scottish chemist charles macintosh | /r/CapableOf | patent waterproof fabric
Facets:
value: in 1823
type: TEMPORAL
Source sentences:
text: One of the most typically British of men's coats, it was created when Scottish chemist Charles Macintosh patented a waterproof fabric in 1823 and his name has become synonymous with the raincoat ever since.