ID

Irvin F. Dunsmore

3M: 13 patents #1,195 of 11,543Top 15%
📍 Ham Lake, MN: #36 of 189 inventorsTop 20%
🗺 Minnesota: #5,782 of 52,454 inventorsTop 15%
Overall (All Time): #388,961 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
6723438 Soil resistant curable laminate coating John C. H. Chang 2004-04-20
6536804 High solids spin finish composition comprising a hydrocarbon surfactant and a fluorochemical emulsion James R. Lockridge, Edward R. Hauser, Chetan P. Jariwala 2003-03-25
6537662 Soil-resistant spin finish compositions Robert F. Kamrath, James E. Lockridge, Edward R. Hauser, Chetan P. Jariwala, Nicole L. Franchina +1 more 2003-03-25
6468452 Process of drawing fibers Chetan P. Jariwala, Edward R. Hauser, James E. Lockridge, Malcolm B. Burleigh, Nicole L. Franchina 2002-10-22
6468587 Treatment of fibrous substrates with acidic silsesquioxanes emulsions John C. H. Chang, Angela J. Nixon 2002-10-22
6117353 High solids spin finish composition comprising a hydrocarbon surfactant and a fluorochemical emulsion James R. Lockridge, Edward R. Hauser, Chetan P. Jariwala 2000-09-12
6077468 Process of drawing fibers Chetan P. Jariwala, Edward R. Hauser, James E. Lockridge, Malcolm B. Burleigh, Nicole L. Franchina 2000-06-20
6074436 Carpet treatment composition comprising polycarboxylate salts Shou-Lu G. Wang, Robert F. Kamrath, John C. H. Chang 2000-06-13
6068805 Method for making a fiber containing a fluorochemical polymer melt additive and having a low melting, high solids spin finish James E. Lockridge 2000-05-30
5756181 Repellent and soil resistant carpet treated with ammonium polycarboxylate salts Shou-Lu G. Wang, Robert F. Kamrath, John C. H. Chang 1998-05-26
5744201 Method for treating carpet using PH adjustment John C. H. Chang, Shou-Lu G. Wang, Robert F. Kamrath 1998-04-28
5738687 Method for treating carpets with polycarboxylate salts to enhance soil resistance and repellency Robert F. Kamrath, John C. H. Chang, Shou-Lu G. Wang 1998-04-14
4795764 Poly(oxyalkylene) poly(aliphatic isocyanate) prepolymer and polyurea polymer derived therefrom by reaction with polyamine Roger R. Alm, Richard M. Stern 1989-01-03