Inventor · disambiguated record
Donald A. Mcgowan
Also filed as: MCGOWAN DONALD A
15 granted patents·748 citations·filing 1981–1996
94Inventor score
Files withPOLAROID CORP15
Top patents by PatentIndex Score
15 records- 0199US4602263AThermal imaging methodPOLAROID CORP·Filed 1984·Granted Jul 22, 1986·198 cites·21 claims
- 0296US4663518AOptical storage identification card and read/write systemPOLAROID CORP·Filed 1985·Granted May 5, 1987·302 cites·24 claims
- 0392US4826976AColor-shifted dyes with thermally unstable carbamate moiety comprising T-alkoxycarbonyl groupPOLAROID CORP·Filed 1987·Granted May 2, 1989·108 cites·14 claims
- 0486US5354873ASquarylium dyes, and processes and intermediates for the preparation thereofPOLAROID CORP·Filed 1992·Granted Oct 11, 1994·23 cites·12 claims
- 0585US5227499ASubstituted squarylium dyes, and processes and intermediates for the preparation thereofPOLAROID CORP·Filed 1991·Granted Jul 13, 1993·22 cites·15 claims
- 0682US5492795ASquarylium dyes, and processes and intermediates for the preparation thereofPOLAROID CORP·Filed 1994·Granted Feb 20, 1996·21 cites·12 claims
- 0777US5795981AProcesses for the preparation of squarylium dyesPOLAROID CORP·Filed 1996·Granted Aug 18, 1998·20 cites·15 claims
- 0875US5227498ASquarylium dyes, and processes and intermediates for the preparation thereofPOLAROID CORP·Filed 1991·Granted Jul 13, 1993·16 cites·15 claims
- 0971US5415970AImage-recording materialPOLAROID CORP·Filed 1994·Granted May 16, 1995·6 cites·27 claims
- 1070US5316887AThermally developable photosensitive materialPOLAROID CORP·Filed 1992·Granted May 31, 1994·6 cites·19 claims
- 1167US5231190ASquarylium compounds, and processes and intermediates for the synthesis of these compoundsPOLAROID CORP·Filed 1991·Granted Jul 27, 1993·7 cites·17 claims
- 1262US6482950B1Squarylium compounds, and processes and intermediates for the synthesis of these compoundsPOLAROID CORP·Filed 1995·Granted Nov 19, 2002·12 cites·10 claims
- 1361US5919950ASquarylium compounds, and processes and intermediates for the synthesis of these compoundsPOLAROID CORP·Filed 1993·Granted Jul 6, 1999·5 cites·15 claims
- 1442US5430156AColor-providing compound having two or more cyclic 1,3 sulfur-nitrogen groups and two or more color-providing moietiesPOLAROID CORP·Filed 1994·Granted Jul 4, 1995·1 cites·7 claims
- 1534US4355169AThiazolidinyl-substituted phenyl sulfonamidesPOLAROID CORP·Filed 1981·Granted Oct 19, 1982·1 cites·5 claims
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