PT

Paul Dennis Trokhan

The Procter & Gamble: 292 patents #2 of 10,133Top 1%
🗺 Ohio: #17 of 73,341 inventorsTop 1%
Overall (All Time): #1,344 of 4,157,543Top 1%
295
Patents All Time

Issued Patents All Time

Showing 276–295 of 295 patents

Patent #TitleCo-InventorsDate
5312522 Paper products containing a biodegradable chemical softening composition Dean Van Phan, Toan Trinh 1994-05-17
5279767 Chemical softening composition useful in fibrous cellulosic materials Dean Van Phan 1994-01-18
5277761 Cellulosic fibrous structures having at least three regions distinguished by intensive properties Dean Van Phan 1994-01-11
5274930 Limiting orifice drying of cellulosic fibrous structures, apparatus therefor, and cellulosic fibrous structures produced thereby Donald Eugene Ensign, Wilbur R. Knight 1994-01-04
5275700 Papermaking belt and method of making the same using a deformable casting surface 1994-01-04
5264082 Soft absorbent tissue paper containing a biodegradable quaternized amine-ester softening compound and a permanent wet strength resin Dean Van Phan 1993-11-23
5246545 Process for applying chemical papermaking additives from a thin film to tissue paper Robert Stanley Ampulski 1993-09-21
5245025 Method and apparatus for making cellulosic fibrous structures by selectively obturated drainage and cellulosic fibrous structures produced thereby Dean Van Phan, Larry L. Huston 1993-09-14
5240562 Paper products containing a chemical softening composition Dean Van Phan 1993-08-31
5223096 Soft absorbent tissue paper with high permanent wet strength Dean Van Phan 1993-06-29
5215626 Process for applying a polysiloxane to tissue paper Robert Stanley Ampulski, Albert H. Sawdai 1993-06-01
5073235 Process for chemically treating papermaking belts 1991-12-17
5059283 Process for solvent delivery of chemical compounds to papermaking belts William Hollis Hood 1991-10-22
4637859 Tissue paper 1987-01-20
4529480 Tissue paper 1985-07-16
4528239 Deflection member 1985-07-09
4469735 Extensible multi-ply tissue paper product 1984-09-04
4239065 Papermachine clothing having a surface comprising a bilaterally staggered array of wicker-basket-like cavities 1980-12-16
4225382 Method of making ply-separable paper Donald Raymond Kearney, Edward R. Wells 1980-09-30
4191609 Soft absorbent imprinted paper sheet and method of manufacture thereof 1980-03-04