Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230708 | Methods and compositions to enhance stain resistance of nylon carpet fibers: thlocyanate to reduce yellowing | Dale A. Hangey, Paul William Richard Harris, Daniel J. Corcoran, Jr., Michael P. Friedberger, Charles J. Cole +1 more | 1993-07-27 |
| 5152803 | Methods and compositions to enhance stain resistance of carpet fibers with water-soluble thiocyanate | Dale A. Hangey, Paul William Richard Harris, Daniel J. Corcoran, Jr., Michael P. Friedberger, Charles J. Cole +1 more | 1992-10-06 |
| 5110317 | Methods and compositions to enhance stain resistance of dyed nylon carpet fibers: thiocyanate to reduce yellowing | Dale A. Hangey, Michael P. Friedberger, Roger Spitz | 1992-05-05 |
| 4605587 | Fluorochemical composition for coating soil resistant yarn | Robert Thomas, Willis Hammond, Michael P. Friedberger | 1986-08-12 |
| 4416787 | Soil resistant yarn finish for synthetic organic polymer yarn | Robert M. Marshall, Kimon C. Dardoufas | 1983-11-22 |