LD

Louis R. Dragner

SC Sequa Chemicals: 17 patents #1 of 17Top 6%
OS Omnova Solutions: 3 patents #29 of 121Top 25%
📍 Rock Hill, SC: #13 of 269 inventorsTop 5%
🗺 South Carolina: #601 of 15,501 inventorsTop 4%
Overall (All Time): #226,266 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
6432269 Opacifier for alkaline paper 2002-08-13
6419791 Amino ester that imparts optical properties when added to paper 2002-07-16
6303000 Paper making process utilizing a reactive cationic starch composition William C. Floyd, III, Nolan Thompson 2001-10-16
5795932 Surface sizing composition Douglas W. Harper, Nolan Thompson 1998-08-18
5667638 Method of enhancing the opacity of printing papers and paper produced thereof Bernard F. North 1997-09-16
5591489 Process for surface sizing paper or paperboard John P. Farewell 1997-01-07
5498315 Method of modifying the opacity of paper and paper produced thereby Bernard F. North 1996-03-12
5494555 Method of modifying the opacity of paper and paper produced therefrom Bernard F. North 1996-02-27
5492600 Method of enhancing the opacity of paper and paper produce thereof Bernard F. North 1996-02-20
5488139 Paper opacifying composition Bernard F. North 1996-01-30
5478387 Opacifying composition for paper Bernard F. North 1995-12-26
5472486 Modified opacifying composition for paper Bernard F. North 1995-12-05
5354803 Polyvinyl alcohol graft copolymer nonwoven binder emulsion William C. Floyd, III 1994-10-11
5147908 Cationic polyvinyl alcohol binder additive William C. Floyd, III 1992-09-15
5116890 Non-formaldehyde self-crosslinking latex William C. Floyd, III 1992-05-26
5116927 Starch polymer graft composition and method of preparation William C. Floyd, III, Blanche H. Black, Bernard F. North 1992-05-26
5055541 Starch polymer graft composition and method of preparation William C. Floyd, III, Blanche H. Black, Bernard F. North 1991-10-08
5032683 Glyoxal modified aqueous starch dispersion and method William C. Floyd, III, James W. Ramp 1991-07-16
5026746 Starch based binder composition for non-woven fibers or fabrics William C. Floyd, III, Blanche H. Black 1991-06-25
4906299 Lubricating insolubilizer for paper coating composition 1990-03-06