Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5998346 | Non-phosphate machine dishwashing compositions containing copolymers of alkylene oxide adducts of allyl alcohol and acrylic acid | Michael C. Welch, Kenneth L. Zack | 1999-12-07 |
| 5880087 | Rinse and compositions containing alkyliminodialkanoates | Kenneth L. Zack, Michael C. Welch | 1999-03-09 |
| 5880082 | Aqueous based solvent free cleaning compositions containing alcohol alkoxylates, alkoxylated fatty alcohols and fatty alcohols having oxyethylate moieties | Michael C. Welch, Charles O. Kerobo, Suzanne M. Gessner, Sonia J. Patterson | 1999-03-09 |
| 5753608 | Rinse aid compositions containing phosphate esters | Kenneth L. Zack, Michael C. Welch | 1998-05-19 |
| 5739099 | Rinse aid compositions containing modified acrylic polymers | Michael C. Welch, Kenneth L. Zack | 1998-04-14 |
| 5518648 | Solid dishwashing composition comprising a two-component blend of alkoxylated nonionic surfactants | Michael C. Welch, Kenneth L. Zack, Suzanne M. Gessner | 1996-05-21 |
| 5516452 | Aqueous rinse - aid composition comprising a two - component blend of alkoxylated nonionic surfactants | Michael C. Welch, Kenneth L. Zack, Suzanne M. Gessner | 1996-05-14 |