Assertion: pva glue | /r/HasProperty | discovered at a kodak lab
Facets:
value: in 1951
type: TEMPORAL
Source sentences:
text: Cyanoacrylate glues were discovered at a Kodak lab in 1951 when two chemists, Dr. Harry Coover and Dr. Fred Joyner, tried to insert a film of ethyl cyanoacrylate between two prisms of a refractometer to determine the degree to which it refracted, or bent, light passing through it.