DC

David R. Cosper

NC Nalco Chemical: 16 patents #11 of 631Top 2%
📍 Downers Grove, IL: #38 of 824 inventorsTop 5%
🗺 Illinois: #4,743 of 84,256 inventorsTop 6%
Overall (All Time): #280,763 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
5441601 Recycling of xerographic waste paper using organic particulates Karen R. Tubergen 1995-08-15
5423946 Cationic anionic polyelectrolytes for enhancing the freeness of paper pulp Jawed M. Sarkar 1995-06-13
5405495 Recycling of xerographic waste paper using organic particulates Karen R. Tubergen 1995-04-11
5324770 Ethylene oxide/propylene oxide block copolymers as green binders for ceramics 1994-06-28
5266243 Method for preparing a ceramic oxide material James F. Kneller 1993-11-30
5169497 Application of enzymes and flocculants for enhancing the freeness of paper making pulp Jawed M. Sarkar 1992-12-08
4734258 Morpholinohexose reductone as an oxygen scavenger 1988-03-29
4554026 Aqueous hydrotrope solutions for paint detackifiers Gretchen L. McKay 1985-11-19
4523932 Hydrotropes and uses thereof Gretchen L. McKay 1985-06-18
4444573 Hydrotropes and uses thereof Gretchen L. McKay 1984-04-24
4432834 Additive for felted cellulose fibers Joyce Whitfield 1984-02-21
4383889 Pulp refining process and additive therefor James Hyde, Michael D. Breslin, Roy I. Kaplan 1983-05-17
4378235 Scrubbing media for removing volatile organic material from paint spray booths William H. Lindenberger 1983-03-29
4298428 Use of additives in pulp bleaching processes to preserve pulp strength Michael D. Breslin 1981-11-03
4268352 Method of reducing soluble starch in broke repulping using a dual polymer combination Patricia R. Soll 1981-05-19
4255233 Use of polyacrylic acid in pulp bleaching processes to preserve pulp strength and aid in brightness Dominic S. Rende 1981-03-10
4244780 Use of thiourea dioxide in pulp bleaching processes to preserve pulp strength and aid in brightness Dominic S. Rende 1981-01-13