Fritz Engelhardt

Person

Frankfurt am Main, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Absorbent article and process for preparing an absorbent article
- Patent number 6,417,425
- Issue date Jul 9, 2002
- BASF Corporation
- Darryl L. Whitmore
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hydrophilic, highly swellable hydrogels
- Patent number 5,840,321
- Issue date Nov 24, 1998
- Clariant GmbH
- Fritz Engelhardt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hydrophilic, highly swellable hydrogels
- Patent number 5,731,365
- Issue date Mar 24, 1998
- Hoechst AG
- Fritz Engelhardt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-swellable hydrophilic polymers
- Patent number 5,684,104
- Issue date Nov 4, 1997
- Cassella
- Rudiger Funk
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hydrophilic highly swellable hydrogels
- Patent number 5,668,236
- Issue date Sep 16, 1997
- Cassella Aktiengesellschaft
- Fritz Engelhardt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Water-swellable hydrophilic polymers
- Patent number 5,594,083
- Issue date Jan 14, 1997
- Cassella Aktiengesellschaft
- R udiger Funk
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Absorbent for water and aqueous solutions
- Patent number 5,571,764
- Issue date Nov 5, 1996
- Cassella Aktiengesellschaft
- Rainer Greve
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polycondensates containing phosphinic and phosphonic acid groups
- Patent number 5,530,093
- Issue date Jun 25, 1996
- Cassella Aktiengesellschaft
- Fritz Engelhardt
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for the preparation of ether-sulphonates
- Patent number 5,523,471
- Issue date Jun 4, 1996
- Hoechst Aktiengesellschaft
- Klaus Delpy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Water-soluble copolymers useful in drilling fluids
- Patent number 5,510,436
- Issue date Apr 23, 1996
- Hoechst Aktiengesellschaft
- Martin Hille
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for the preparation of cyclic vinylphosphonic esters
- Patent number 5,502,231
- Issue date Mar 26, 1996
- Cassella Aktiengesellschaft
- Fritz Engelhardt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polycondensates containing phosphinic or phosphonic acid groups and...
- Patent number 5,492,995
- Issue date Feb 20, 1996
- Hoechst Aktiengsellschaft
- Fritz Engelhardt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycondensates containing polysiloxane groups
- Patent number 5,488,123
- Issue date Jan 30, 1996
- Cassella AG
- Fritz Engelhardt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for obtaining the hydrocarbon from a hydrocarbon-rich gel
- Patent number 5,276,247
- Issue date Jan 4, 1994
- Cassella Aktiengesellschaft
- Fritz Engelhardt
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for the storage and transportation of liquid hydrocarbons
- Patent number 5,276,248
- Issue date Jan 4, 1994
- Cassella Aktiengesellschaft
- Fritz Engelhardt
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Use of glycidyl phosphonates as crosslinkers in the preparation of...
- Patent number 5,274,048
- Issue date Dec 28, 1993
- Cassella AG.
- Fritz Engelhardt
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Absorbent polymers, manufacturing process and their use in particul...
- Patent number 5,258,448
- Issue date Nov 2, 1993
- Societe Francaise Hoechst
- Paul Mallo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Methylolated and optionally etherified urethanes containing fluoroa...
- Patent number 4,877,540
- Issue date Oct 31, 1989
- Cassella Aktiengesellschaft
- Fritz Engelhardt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tanning agent and a process for its preparation
- Patent number 4,828,570
- Issue date May 9, 1989
- Cassella Aktiengesellschaft
- Ulrich Riegel
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Copolymer, process for its preparation, and its use
- Patent number 4,753,999
- Issue date Jun 28, 1988
- Cassella Aktiengesellschaft
- Karl-Heinz Keil
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Process for producing dyeings with reactive dyestuffs
- Patent number 4,588,413
- Issue date May 13, 1986
- Cassella Aktiengesellschaft
- Karl-Heinz Keil
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Copolymer, process for its preparation and its use as a sorbent
- Patent number 4,576,973
- Issue date Mar 18, 1986
- Cassella Aktiengesellschaft
- Karl-Heinz Keil
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymer, a process for its preparation and its use as a sorbent
- Patent number 4,552,905
- Issue date Nov 12, 1985
- Cassella Aktiengesellschaft
- Karl-Heinz Keil
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Branched low molecular weight polyesters levelling agents for dyestuff
- Patent number 4,168,145
- Issue date Sep 18, 1979
- Cassella Aktiengesellschaft
- Karl Hintermeier
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents

Information Patent Application
Absorbent article
- Publication number 20030045847
- Publication date Mar 6, 2003
- Darryl L. Whitmore
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Fritz Engelhardt

Person

Patents Grantslast 30 patents

Absorbent article and process for preparing an absorbent article

Hydrophilic, highly swellable hydrogels

Hydrophilic, highly swellable hydrogels

Water-swellable hydrophilic polymers

Hydrophilic highly swellable hydrogels

Water-swellable hydrophilic polymers

Absorbent for water and aqueous solutions

Polycondensates containing phosphinic and phosphonic acid groups

Process for the preparation of ether-sulphonates

Water-soluble copolymers useful in drilling fluids

Process for the preparation of cyclic vinylphosphonic esters

Polycondensates containing phosphinic or phosphonic acid groups and...

Polycondensates containing polysiloxane groups

Process for obtaining the hydrocarbon from a hydrocarbon-rich gel

Process for the storage and transportation of liquid hydrocarbons

Use of glycidyl phosphonates as crosslinkers in the preparation of...

Absorbent polymers, manufacturing process and their use in particul...

Methylolated and optionally etherified urethanes containing fluoroa...

Tanning agent and a process for its preparation

Copolymer, process for its preparation, and its use

Process for producing dyeings with reactive dyestuffs

Copolymer, process for its preparation and its use as a sorbent

Copolymer, a process for its preparation and its use as a sorbent

Branched low molecular weight polyesters levelling agents for dyestuff

Patents Applicationslast 30 patents

Absorbent article