Dian E. Stevenson — 13 Patents at 3M

Dian E. Stevenson has been granted 13 US patents while listed as an inventor at 3M. The first was granted in 1992 and the most recent in September 2001. Dian E. Stevenson ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Dian E. Stevenson in Harlow, GB.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6291143	Laser absorbable photobleachable compositions	Ranjan C. Patel, Robert James Domett Nairne, Andrew Mott, Mark R. I. Chambers	2001-09-18	$7,424,000
6171766	Laser absorbable photobleachable compositions	Ranjan C. Patel, Robert James Domett Nairne, Andrew Mott, Mark R. I. Chambers	2001-01-09	$3,934,000
5945249	Laser absorbable photobleachable compositions	Ranjan C. Patel, Andrew Mott, Robert James Domett Nairne, Mark R. I. Chambers	1999-08-31	$2,937,000
5935758	Laser induced film transfer system	Ranjan C. Patel, Mark R. I. Chambers, Jonathan C. Vogel, Kevin M. Kidnie, John Souter +1 more	1999-08-10	$12,387,000
5843617	Thermal bleaching of infrared dyes	Ranjan C. Patel, Mark R. I. Chambers, Robert James Domett Nairne, Gregory L. Zwaldo	1998-12-01	$16,594,000
5800974	Silver halide imaging materials	Julian M. Wallis, Kevin P. Hall, Stephen D. Newman	1998-09-01	$6,373,000
5578434	Photographic silver halide developer composition and process for forming photographic silver images	Elda Moizo, Carlo Marchesano, Andrew Mott	1996-11-26	$4,967,000
5384237	Quaternary-ammonium phenylsulfonylacetate thermal-dye-bleach agents	Mark P. Kirk, Sylvia A. Farnum, William C. Frank, Randall H. Helland, Jonathan P. Kitchin +7 more	1995-01-24	$13,274,000
5324627	Tetra-alkylammonium phenylsulfonylacetate thermal-dye-bleach agents	Mark P. Kirk, Sylvia A. Farnum, William C. Frank, Randall H. Helland, Jonathan P. Kitchin +7 more	1994-06-28	$7,659,000
5314795	Thermal-dye-bleach construction comprising a polymethine dye and a thermal carbanion-generating agent	Randall H. Helland, Sylvia A. Farnum, Mark P. Kirk, Jonathan P. Kitchin, Roger A. Mader +6 more	1994-05-24	$6,450,000
5266452	Photographic element containing a thermal dye bleach system	Jonathan P. Kitchin, Mark P. Kirk, Randall H. Helland	1993-11-30	$10,816,000
5258274	Thermal dye bleach construction sensitive to ultraviolet radiation	Randall H. Helland, George V. D. Tiers	1993-11-02	$9,864,000
5135842	Thermal dye bleach construction	Jonathan P. Kitchin, Mark P. Kirk, Randall H. Helland	1992-08-04	$9,106,000

Dian E. Stevenson — 13 Patents

Issued Patents All Time

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