Inventor
SCHULZ REINHARD
DE29 patents
⚠️ This page may combine multiple inventors who share the name “SCHULZ REINHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CIBA GEIGY CORP
9 patentsUS5296330AMar 22, 1994
Positive photoresists containing quinone diazide photosensitizer, alkali-soluble resin and tetra(hydroxyphenyl) alkane additive
CIBA GEIGY CORP108 citations96
US5436098AJul 25, 1995
Positive photoresists with enhanced resolution and reduced crystallization containing novel tetra(hydroxyphenyl)alkanes
CIBA GEIGY CORP97 citations95
US5627011AMay 6, 1997
High resolution i-line photoresist of high sensitivity
CIBA GEIGY CORP43 citations92
US5106718AApr 21, 1992
Positive photoresist composition containing alkali-soluble phenolic resin, photosensitive quinonediazide compound and sulfonyl containing compound
CIBA GEIGY CORP25 citations92
US5077173ADec 31, 1991
Positive photoresist containing 2,3,4-trihydroxybenzophenone and 1,2-naphthoquinone-diazide-5-sulfonyl trisester of 1,3,5-trihydroxybenzene
CIBA GEIGY CORP15 citations74
US4980268ADec 25, 1990
Negative photoresists of the polyimide type containing 1,2-disulfones
CIBA GEIGY CORP15 citations73
US5104768AApr 14, 1992
Positive photoresist composition containing radiation sensitive quinonediazide compound and completely esterified polyamic acid polymer
CIBA GEIGY CORP13 citations69
US5219701AJun 15, 1993
Positive photoresist containing 1,2-naphthoquinone-diazide-5-sulfonyl tris ester of 1,3,5-trihydroxybenzene and aromatic hydroxy compound sensitizer
CIBA GEIGY CORP3 citations63
US5200293AApr 6, 1993
Photoresist composition containing specific amounts of a naphthoquinone diazide sulfonyl ester of tetrahydroxy diphenyl sulfide and a polyhydroxy compound
CIBA GEIGY CORP5 citations63
HILTI AG
8 patentsUS5975217ANov 2, 1999
Tool for drilling and/or chiseling
HILTI AG78 citations94
US5806609ASep 15, 1998
Manually operable tool for drilling and/or removing material in brittle and/or low ductile material
HILTI AG41 citations92
US5326199AJul 5, 1994
Tool bit and tool bit chuck for manually operated tools
HILTI AG21 citations92
US5145237ASep 8, 1992
Cutter bit with optimized shank
HILTI AG22 citations92
US5397203AMar 14, 1995
Tool and tool holder for hand-tool apparatus
HILTI AG22 citations89
US7950471B2May 31, 2011
Hand-held power tool with pneumatic percussion mechanism
HILTI AG10 citations82
US5375950ADec 27, 1994
Tool and tool holder for manually operated tools
HILTI AG7 citations74
US7059432B2Jun 13, 2006
Cup-shaped rock drill head
HILTI AG3 citations60