Inventor
ALLEN RICHARD M
US11 patents
⚠️ This page may combine multiple inventors who share the name “ALLEN RICHARD M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POLAROID CORP
3 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