Issued Patents All Time
Showing 26–50 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6071979 | Photoreactor composition method of generating a reactive species and applications therefor | John Gavin MacDonald | 2000-06-06 |
| 6066439 | Instrument for photoerasable marking | John Gavin MacDonald, Jeffrey Dean Lindsay | 2000-05-23 |
| 6063551 | Mutable dye composition and method of developing a color | John Gavin MacDonald | 2000-05-16 |
| 6060223 | Plastic article for colored printing and method for printing on a colored plastic article | John Gavin MacDonald, Jeffrey Dean Lindsay | 2000-05-09 |
| 6060200 | Photo-erasable data processing forms and methods | John Gavin MacDonald, Michael Mosehauer | 2000-05-09 |
| 6054256 | Method and apparatus for indicating ultraviolet light exposure | John Gavin MacDonald, Jeffrey Dean Lindsay | 2000-04-25 |
| 6033465 | Colorants and colorant modifiers | John Gavin MacDonald | 2000-03-07 |
| 6017471 | Colorants and colorant modifiers | John Gavin MacDonald | 2000-01-25 |
| 6017661 | Temporary marking using photoerasable colorants | Jeffrey Dean Lindsay, John Gavin MacDonald | 2000-01-25 |
| 6008268 | Photoreactor composition, method of generating a reactive species, and applications therefor | John Gavin MacDonald | 1999-12-28 |
| 5908495 | Ink for ink jet printers | John Gavin MacDonald | 1999-06-01 |
| 5891229 | Colorant stabilizers | John Gavin MacDonald | 1999-04-06 |
| 5885337 | Colorant stabilizers | John Gavin MacDonald | 1999-03-23 |
| 5865471 | Photo-erasable data processing forms | John Gavin MacDonald, Michael Mosehauer | 1999-02-02 |
| 5858586 | Digital information recording media and method of using same | John Gavin MacDonald | 1999-01-12 |
| 5855655 | Colorant stabilizers | John Gavin MacDonald | 1999-01-05 |
| 5853641 | Method for preparing polyolefin fibers containing antimicrobial siloxane quarternary ammonium salts | John Gavin MacDonald | 1998-12-29 |
| 5853883 | Polyolefin fibers containing antimicrobial siloxane quaternary ammonium salts | John Gavin MacDonald | 1998-12-29 |
| 5854147 | Non-woven web containing antimicrobial siloxane quaternary ammonium salts | John Gavin MacDonald | 1998-12-29 |
| 5849411 | Polymer film, nonwoven web and fibers containing a photoreactor composition | John Gavin MacDonald | 1998-12-15 |
| 5837429 | Pre-dyes, pre-dye compositions, and methods of developing a color | John Gavin MacDonald | 1998-11-17 |
| 5811199 | Adhesive compositions containing a photoreactor composition | John Gavin MacDonald | 1998-09-22 |
| 5798015 | Method of laminating a structure with adhesive containing a photoreactor composition | John Gavin MacDonald | 1998-08-25 |
| 5786132 | Pre-dyes, mutable dye compositions, and methods of developing a color | John Gavin MacDonald | 1998-07-28 |
| 5782963 | Colorant stabilizers | John Gavin MacDonald | 1998-07-21 |