KW

Kobus Wellinga

DB Duphar International Research B.V.: 7 patents #15 of 182Top 9%
📍 Weesp, NL: #27 of 254 inventorsTop 15%
Overall (All Time): #669,688 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5342958 Organic compounds derived from urea or thiourea Rudolf Mulder 1994-08-30
5245071 Organic compounds derived from urea or thiourea Rudolf Mulder 1993-09-14
5142064 Organic compounds derived from urea or thiourea, insecticidal preparations on the basis of the new substances and methods of producing the substances Rudolf Mulder 1992-08-25
4927452 1-carbonyl-2-pyrazoline derivatives having herbicidal activity Jacobus H. H. Eussen 1990-05-22
4920135 Insecticidal ureas and thioureas Rudolf Wulder 1990-04-24
4854961 Substituted 2-phenylimino-oxazolidine compounds having herbicidal activity Jacobus H. H. Eussen 1989-08-08
4833151 Insecticidal Ureas and thioureas Rudolf Mulder 1989-05-23
4607044 Insecticidal use of ureas and thioureas Rudolf Mulder 1986-08-19