Hermann O. Wirth

Person

Bensheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Additives for lubricants
- Patent number 5,892,051
- Issue date Apr 6, 1999
- Ciba Specialty Chemicals Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Additives for lubricants
- Patent number 5,618,778
- Issue date Apr 8, 1997
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phosphonic acid derivatives and thionophosphonic acid derivatives
- Patent number 5,550,276
- Issue date Aug 27, 1996
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compositions comprising 2,2',2"-nitrilotriethanol cyclometalates
- Patent number 5,481,039
- Issue date Jan 2, 1996
- CIBA Geigy Corp.
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compositions comprising 2,2',2"-nitrilotriethanol cyclometalates
- Patent number 5,380,344
- Issue date Jan 10, 1995
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilized chlorine-containing polymer compositions
- Patent number 5,350,785
- Issue date Sep 27, 1994
- Ciba-Geigy Corporation
- Hans J. Sander
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Stabilized chlorine-containing polymers
- Patent number 5,283,273
- Issue date Feb 1, 1994
- Ciba-Geigy Corporation
- Hans J. Sander
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Compositions containing 2,2',2"-nitrilotriethanol cyclometalates
- Patent number 5,256,323
- Issue date Oct 26, 1993
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stabilized chlorine-containing polymers
- Patent number 5,244,949
- Issue date Sep 14, 1993
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
.beta.-keto esters as stabilizers for chlorinated polymers
- Patent number 5,177,135
- Issue date Jan 5, 1993
- Ciba-Geigy Corporation
- Wolfgang Wehner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Substitute aminopyrroles as stabilizers for chlorine-containing pol...
- Patent number 5,155,152
- Issue date Oct 13, 1992
- Ciba-Geigy Corporation
- Wolfgang Wehner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lubricants containing ammonium salts of methylphosphonic acid
- Patent number 5,073,277
- Issue date Dec 17, 1991
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Propane-1,3-dione derivatives and their use as stabilizers for poly...
- Patent number 5,071,898
- Issue date Dec 10, 1991
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Latent hardeners for melamine resin moulding compositions
- Patent number 5,021,474
- Issue date Jun 4, 1991
- Ciba-Geigy Corporation
- Peter Gunther
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sulfur- and nitrogen-containing lubricant additives
- Patent number 5,002,698
- Issue date Mar 26, 1991
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ether-containing or thioether-containing 1,3-diketones and the use...
- Patent number 4,992,504
- Issue date Feb 12, 1991
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methylphosphonic acid amine salt lubricant additives
- Patent number 4,962,227
- Issue date Oct 9, 1990
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nitrogen-containing additives for non-aqueous functional fluids
- Patent number 4,943,381
- Issue date Jul 24, 1990
- Ciba-Geigy Corporation
- Emyr Phillips
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing glycidyl thioethers
- Patent number 4,931,576
- Issue date Jun 5, 1990
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Latent hardeners for melamine resin moulding compositions
- Patent number 4,925,887
- Issue date May 15, 1990
- Ciba-Geigy Corporation
- Peter Gunther
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
1,4-Oxathianones and 1,4-oxathiepanones
- Patent number 4,889,938
- Issue date Dec 26, 1989
- Ciba-Geigy Corporation
- Ulrich Kristen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lubricant compositions, novel glucamine derivatives and complex com...
- Patent number 4,886,610
- Issue date Dec 12, 1989
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted and unsubstituted ring-bridged para-oligophenylene UV l...
- Patent number 4,876,029
- Issue date Oct 24, 1989
- Kernforschungszentrum Karlsruhe Gesellschaft mit beschrankter Haftung
- Hans Gusten
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Sulfur-and nitrogen-containing lubricant additives
- Patent number 4,863,621
- Issue date Sep 5, 1989
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Nitrogen-containing additives for non-aqueous functional fluids
- Patent number 4,859,354
- Issue date Aug 22, 1989
- Ciba-Geigy Corporation
- Emyr Phillips
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methylphosphonic acid amine salt lubricant additives
- Patent number 4,847,457
- Issue date Jul 11, 1989
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reaction products of bisglycidyl thioethers
- Patent number 4,835,310
- Issue date May 30, 1989
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydraulic fluid compositions, novel glucamine derivatives and compl...
- Patent number 4,830,770
- Issue date May 16, 1989
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Lubricant compositions, novel glucamine derivatives and complex com...
- Patent number 4,808,755
- Issue date Feb 28, 1989
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Boric acid complexes
- Patent number 4,778,612
- Issue date Oct 18, 1988
- Ciba-Geigy Corporation
- Hermann O. Wirth
- C07 - ORGANIC CHEMISTRY

Hermann O. Wirth

Person

Patents Grantslast 30 patents

Additives for lubricants

Additives for lubricants

Phosphonic acid derivatives and thionophosphonic acid derivatives

Compositions comprising 2,2',2"-nitrilotriethanol cyclometalates

Compositions comprising 2,2',2"-nitrilotriethanol cyclometalates

Stabilized chlorine-containing polymer compositions

Stabilized chlorine-containing polymers

Compositions containing 2,2',2"-nitrilotriethanol cyclometalates

Stabilized chlorine-containing polymers

.beta.-keto esters as stabilizers for chlorinated polymers

Substitute aminopyrroles as stabilizers for chlorine-containing pol...

Lubricants containing ammonium salts of methylphosphonic acid

Propane-1,3-dione derivatives and their use as stabilizers for poly...

Latent hardeners for melamine resin moulding compositions

Sulfur- and nitrogen-containing lubricant additives

Ether-containing or thioether-containing 1,3-diketones and the use...

Methylphosphonic acid amine salt lubricant additives

Nitrogen-containing additives for non-aqueous functional fluids

Process for producing glycidyl thioethers

Latent hardeners for melamine resin moulding compositions

1,4-Oxathianones and 1,4-oxathiepanones

Lubricant compositions, novel glucamine derivatives and complex com...

Substituted and unsubstituted ring-bridged para-oligophenylene UV l...

Sulfur-and nitrogen-containing lubricant additives

Nitrogen-containing additives for non-aqueous functional fluids

Methylphosphonic acid amine salt lubricant additives

Reaction products of bisglycidyl thioethers

Hydraulic fluid compositions, novel glucamine derivatives and compl...

Lubricant compositions, novel glucamine derivatives and complex com...

Boric acid complexes