Inventor
CHU PETER K
US8 patents
⚠️ This page may combine multiple inventors who share the name “CHU PETER K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POLAROID CORP
5 patentsUS5492795AFeb 20, 1996
Squarylium dyes, and processes and intermediates for the preparation thereof
POLAROID CORP21 citations92
US5354873AOct 11, 1994
Squarylium dyes, and processes and intermediates for the preparation thereof
POLAROID CORP23 citations92
US5656750AAug 12, 1997
Processes for the preparation of squarylium dyes
POLAROID CORP21 citations91
US5977351ANov 2, 1999
Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use
POLAROID CORP14 citations72
US5627014AMay 6, 1997
Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use
POLAROID CORP10 citations72