Dirk Kruythoff — 5 Patents at Hercules

Dirk Kruythoff has been granted 5 US patents while listed as an inventor at Hercules. The first was granted in 1996 and the most recent in October 2014. Dirk Kruythoff ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Dirk Kruythoff in Papendrecht, NL.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8859684	Stabilizers for improved open time of aqueous coatings	Sung G. Chu, Tuyen T. Nguyen, Willemina Geesien Salomons	2014-10-14
7531591	Aqueous dispersion of poly(acetal-polyether) and its use in protective coatings	Kirill N. Bakeev, James G. Binder, Theo Klootwijk, Betty Maagdenberg-Roels, Tuyen T. Nguyen +2 more	2009-05-12
5834538	Pressure sensitive adhesives	Jacobus G. deHullu, Willemien Salomons, Adriana Veldhorst	1998-11-10	$9,704,000
5795928	Cellulose ethers in emulsion polymerization dispersions	Bernardus J. W. Janssen, Gijsbert Kroon, Willemina Geesien Salomons	1998-08-18	$6,149,000
5494509	Paper coating composition with increased thickener efficiency	Andre H. Van Waveren	1996-02-27

Dirk Kruythoff — 5 Patents

Issued Patents All Time

Patent Widget