IP Library › Granted Patent US 5,227,499
Granted Patent Utility
US 5,227,499 · App. 07/795,341

Substituted squarylium dyes, and processes and intermediates for the preparation thereof

Inventors: Donald A. McGowan, Mark R. Mischke, Stephen J. Telfer
Patented Case View Patent ↗
Granted: Jul 13, 1993 Filed: Nov 20, 1991
Inventors
Donald A. McGowan
Mark R. Mischke
Stephen J. Telfer
Assignee (at issue)
Polaroid Corporation

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Quick Facts
Patent No.
US 5,227,499
App. No.
07/795,341
Filed
1991-11-20
Granted
1993-07-13
Kind
A