1
Egenius A Giezen, Cornelis A M Hoefs, Abram Opschoor, Eduard M Verhulst: Time temperature indicating device. Akzona Incorporated, Francis W Young, David M Carter, May 15, 1979: US04154107 (36 worldwide citation)

There is provided a time temperature device having an indicator layer which visually indicates the lapse of a time temperature integral. A signaling component is provided which, upon contact with the indicating layer, causes the indicator layer to undergo a visually perceptive change. The device fur ...


2
Cornelis A M Hoefs: Water reducible composition based on an epoxy resin. Akzo, Parkhurst & Oliff, July 1, 1986: US04598108 (25 worldwide citation)

The invention provides a water-reducible coating composition comprising an epoxy resin, an amino group-containing curing agent for the epoxy resin and a watersoluble organic compound which occurs in at least 2 tautomeric forms, in one of which a labile hydrogen atom is linked to a carbon atom and wh ...


3
Cornelis A M Hoefs, Pieter Oosterhoff: Water-reducible coating composition based on an epoxy resin. Akzo, Jeffrey S Boone, Francis W Young, Louis A Morris, April 12, 1988: US04737530 (6 worldwide citation)

The invention provides a water-reducible coating composition comprising an epoxy resin, an amino group-containing curing agent for the epoxy resin and a formic acid ester having a solubility of at least 0.2 g in 100 g of water of a temperature of 20.degree. C., with the exception of tert. butyl form ...