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Hans Dressler

KO Koppers: 9 patents #2 of 126Top 2%
IC Indspec Chemical: 3 patents #7 of 15Top 50%
SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
📍 Monroeville, PA: #54 of 710 inventorsTop 8%
🗺 Pennsylvania: #5,969 of 74,527 inventorsTop 9%
Overall (All Time): #388,447 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
7092736 Radio communication system Elisabeth Auth, Andreas Gerwens, Ralf Hofmann, Roland Riedlinger, Markus Rösch 2006-08-15
5244725 Hydroxyalkyl aryl ethers of di- and polyhydric phenols Alex Peterson, Jr. 1993-09-14
5130489 Process for the preparation of M-aminophenols from resorcinol 1992-07-14
5059723 Hydroxyalkylation of phenols or thiophenols with cyclic organic carbonates using triorganophosphine catalysts 1991-10-22
4705879 Long-chain alkylresorcinol phosphites 1987-11-10
4656302 Tris-(3-hydroxy-4,6-di-t-alkylphenyl) phosphites 1987-04-07
4645780 Novel biocides employing resorcinol derivatives Hans A. Ward 1987-02-24
4604491 Synthetic oils Albert A. Meilus 1986-08-05
4599464 Novel compositions 1986-07-08
4592783 Rust preventives Samuel N. Holter, Nancy Znidarsic 1986-06-03
4405755 Novel N-methylolated/methoxymethylated aryldisulfonamides Donald A. Lederer, James B. Noe 1983-09-20
4302403 Process for reacting sulfuric acid and an aromatic hydrocarbon to purify a disulfonic acid product of an aromatic hydrocarbon Kenneth G. Reabe, Frederick M. Covelli 1981-11-24
4271285 Aryl sulfide/sulfonate polymer 1981-06-02