Hans Dressler

Person

Monroeville, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Hydroxyalkyl aryl ethers of di- and polyhydric phenols
- Patent number 5,244,725
- Issue date Sep 14, 1993
- INDSPEC Chemical Corporation
- Hans Dressler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of M-aminophenols from resorcinol
- Patent number 5,130,489
- Issue date Jul 14, 1992
- INDSPEC Chemical Corporation
- Hans Dressler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydroxyalkylation of phenols or thiophenols with cyclic organic car...
- Patent number 5,059,723
- Issue date Oct 22, 1991
- INDSPEC Chemical Corporation
- Hans Dressler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Long-chain alkylresorcinol phosphites
- Patent number 4,705,879
- Issue date Nov 10, 1987
- Koppers Company, Inc.
- Hans Dressler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tris-(3-hydroxy-4,6-di-t-alkylphenyl) phosphites
- Patent number 4,656,302
- Issue date Apr 7, 1987
- Koppers Company, Inc.
- Hans Dressler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel biocides employing resorcinol derivatives
- Patent number 4,645,780
- Issue date Feb 24, 1987
- Koppers Company, Inc.
- Hans Dressler
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Synthetic oils
- Patent number 4,604,491
- Issue date Aug 5, 1986
- Koppers Company, Inc.
- Hans Dressler
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Novel compositions
- Patent number 4,599,464
- Issue date Jul 8, 1986
- Koppers Company, Inc.
- Hans Dressler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Rust preventives
- Patent number 4,592,783
- Issue date Jun 3, 1986
- Koppers Company, Inc.
- Hans Dressler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel N-methylolated/methoxymethylated aryldisulfonamides
- Patent number 4,405,755
- Issue date Sep 20, 1983
- Koppers Company, Inc.
- Hans Dressler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for reacting sulfuric acid and an aromatic hydrocarbon to p...
- Patent number 4,302,403
- Issue date Nov 24, 1981
- Koppers Company, Inc.
- Kenneth G. Reabe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aryl sulfide/sulfonate polymer
- Patent number 4,271,285
- Issue date Jun 2, 1981
- Koppers Company, Inc.
- Hans Dressler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polyalkylbenzene hydroperoxides
- Patent number 4,108,907
- Issue date Aug 22, 1978
- Koppers Company, Inc.
- Hans Dressler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for dyeing molded articles containing urea formaldehyde res...
- Patent number 4,009,995
- Issue date Mar 1, 1977
- Hans Dressler
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Hans Dressler

Person

Patents Grantslast 30 patents

Hydroxyalkyl aryl ethers of di- and polyhydric phenols

Process for the preparation of M-aminophenols from resorcinol

Hydroxyalkylation of phenols or thiophenols with cyclic organic car...

Long-chain alkylresorcinol phosphites

Tris-(3-hydroxy-4,6-di-t-alkylphenyl) phosphites

Novel biocides employing resorcinol derivatives

Synthetic oils

Novel compositions

Rust preventives

Novel N-methylolated/methoxymethylated aryldisulfonamides

Process for reacting sulfuric acid and an aromatic hydrocarbon to p...

Aryl sulfide/sulfonate polymer

Process for the preparation of polyalkylbenzene hydroperoxides

Process for dyeing molded articles containing urea formaldehyde res...