Inventor

SIMMONS III HOWARD E

US19 patents

⚠️ This page may combine multiple inventors who share the name “SIMMONS III HOWARD E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIMMONS III HOWARD E

DU PONT

Single layer dry processible photothermal-sensitive element

Photosensitive ceramic coating composition

Dry processible photosensitive composition including photo-acid generator and optically clear polymer (co-polymer) blend that becomes tacky upon exposure to actinic radiation

Optical recording element

Direct effect master/stamper for optical recording

Ink jet printing of etchants and modifiers

Positive-working photodefinable polyimide precursors

Positive-working photodefinable polyimide precursors

Method for preparing high resolution polyimide images using non-photosensitive layers of poly(amic acid) or salts thereof

Metallic complexes covalently bound to conjugated polymers and electronic devices containing such compositions

Electroactive fluorene copolymers and devices made with such polymers

Electroactive fluorene copolymers and devices made with such polymers

Electroactive fluorene copolymers and devices made with such polymers

Process for creating a tacky tonable image surface through exposure of a substrate coated with a polymer blend, including a photo-acid generator, to actinic radiation

Electroactive fluorene copolymers and devices made with such polymers

Electroactive fluorene copolymers and devices made with such polymers

Electroactive fluorene copolymers and devices made with such polymers

Electroluminescent copolymers with multi-functional monomers and methods for use thereof

SIMMONS III HOWARD E

Optical recording element