William E. Slack
81Patents
17h-index
49Co-inventors
84Inventor score
Filing activity: May 5, 1978 → Nov 14, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5235018A | Polyisocyanates containing allophanate and isocyanurate groups, a process for their production and their use in two-component coating compositions | Chemistry; Metallurgy | 58 | Expired |
| US4837359A | Process for the production of polyisocyanates with biuret structures | Chemistry; Metallurgy | 58 | Expired |
| US4810820A | Process for the production of polyisocyanates containing allophanate groups | Chemistry; Metallurgy | 56 | Expired |
| US5124427A | Polyisocyanates containing allophanate and isocyanurate groups, a process for their production and their use in two-component coating compositions | Chemistry; Metallurgy | 52 | Expired |
| US5219973A | Polyurea rim systems | Chemistry; Metallurgy | 35 | Expired |
| US5208334A | Process for the production of polyisocyanates containing allophanate and isocyanurate groups | Chemistry; Metallurgy | 31 | Expired |
| US5319053A | Liquid diphenylmethane diisocyanate | Chemistry; Metallurgy | 30 | Expired |
| US5319054A | Liquid methylene diphenyl diisocyanate | Chemistry; Metallurgy | 29 | Expired |
| US5663272A | Allophanate-modified diphenylmethane diisocyanates and processes for their production and use | Chemistry; Metallurgy | 27 | Expired |
| US5444146A | Polyisocyanates containing allophanate and isocyanurate groups, a process for their production and their use in two-component coating compositions | Chemistry; Metallurgy | 20 | Expired |
| US6127308A | Trimer catalyst system for aliphatic and aromatic isocyanates | Chemistry; Metallurgy | 20 | Expired |
| US4154752A | Preparation of partially carbodiimidized methylenebis (phenyl isocyanate) | Chemistry; Metallurgy | 20 | Expired |
| US5502147A | Aliphatic rim elastomers | Chemistry; Metallurgy | 19 | Expired |
| US5440003A | Liquid methylene diphenyl diisocyanate | Chemistry; Metallurgy | 19 | Expired |
| US5691439A | Low surface energy polyisocyanates and their use in one- or two-component coating compositions | Chemistry; Metallurgy | 18 | Expired |
| US5574122A | Low surface energy polyisocyanates and their use in one- or two-component coating compositions | Chemistry; Metallurgy | 18 | Expired |
| US6028158A | Freeze-stable allophanate-modified toluene diisocyanate trimers | Chemistry; Metallurgy | 17 | Expired |
| US5874485A | Flexible foams and flexible molded foams based on allophanate-modified diphenylmethane diisocyanates and processes for the production of these foams | Chemistry; Metallurgy | 17 | Expired |
| US6271279A | High resilient flexible urethane foam and flexible molded foams based on allophanate modified isocyanates | Chemistry; Metallurgy | 15 | Expired |
| US5350778A | Polyisocyanate based upon 4,4'- and 2,4'-diphenylmethane diisocyanates and use thereof in a rim process | Chemistry; Metallurgy | 14 | Expired |
| US5874623A | Process for the production of polyether aminoalcohols | Chemistry; Metallurgy | 14 | Expired |
| US5747629A | Low surface energy polyisocyanates and their use in one-or two-component coating compositions | Chemistry; Metallurgy | 13 | Expired |
| US5576411A | Low surface energy polyisocyanates and their use in one-or two component coating compositions | Chemistry; Metallurgy | 11 | Expired |
| US5821275A | Flexible foams and flexible molded foams based on liquid isocyanate-terminated allophanate-modified MDI prepolymer blends and processes for the production of these foams | Chemistry; Metallurgy | 11 | Expired |
| US5686042A | Rim process using liquid methylene diphenyl diisocyanate | Chemistry; Metallurgy | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.