Josef A. Puhringer

DG Dynamit Nobel Gmbh: 1 patents #201 of 414Top 50%

HA Huels Aktiengesellschaft: 1 patents #269 of 532Top 55%

📍 Åkersberga, SE: #62 of 318 inventorsTop 20%

Overall (All Time): #1,668,195 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4937104	Process for imparting hydrophobicity to mineral substrates	—	1990-06-26
4433013	Process for imparting hydrophobicity to mineral substrates	—	1984-02-21
4386134	Process for impregnating cellulosic materials and products hereby obtained	—	1983-05-31