Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6291586 | Amide functional ultraviolet light absorbers for polyurethanes and polyureas | James E. Lasch, David B. Olson | 2001-09-18 |
| 6261676 | Amide functional ultraviolet light absorbers for fluoropolymers | David B. Olson, Bruce B. Wilson | 2001-07-17 |
| 6235375 | Polyolefin bound ultraviolet light absorbers | David B. Olson | 2001-05-22 |
| 6150440 | UV light absorbing material comprising a carboxylic polymer and an amide compound, films, products, and methods of use | David B. Olson | 2000-11-21 |
| 6008302 | Polyolefin bound ultraviolet light absorbers | David B. Olson | 1999-12-28 |
| 5994431 | Amide functional ultraviolet light absorbers for polyolefins | David B. Olson | 1999-11-30 |
| 5985444 | Amide functional ultraviolet light absorbers for fluoropolymers | David B. Olson, Bruce B. Wilson | 1999-11-16 |
| 5920429 | Fluorescent dye blends | David B. Olson, Lee A. Pavelka | 1999-07-06 |
| 5816238 | Durable fluorescent solar collectors | Lee A. Pavelka | 1998-10-06 |
| 5754337 | Fluorescent dye blends | David B. Olson, Lee A. Pavelka | 1998-05-19 |
| 5700077 | Line light source including fluorescent colorant | John F. Dreyer, Jr., Thomas I. Bradshaw, Lee A. Pavelka, Bruce D. Orensteen | 1997-12-23 |
| 5674622 | Fluorescent dye blends | Lee A. Pavelka | 1997-10-07 |
| 5672643 | Fluorescent dye blends | David B. Olson, Lee A. Pavelka | 1997-09-30 |
| 5605761 | Articles exhibiting durable color containing a polycarbonate, a fluorescent dye and an amine light stabilizer | Lee A. Pavelka | 1997-02-25 |
| 5387458 | Articles exhibiting durable fluorescence with an ultraviolet screening layer | Lee A. Pavelka, Raymond P. Johnston, Edward S. Shinbach | 1995-02-07 |
| 5200851 | Infrared reflecting cube-cornered sheeting | James C. Coderre | 1993-04-06 |