Willi Dunwald

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Coating compositions and coated heat-resistant substrates prepared...
- Patent number 5,126,422
- Issue date Jun 30, 1992
- Bayer Aktiengesellschaft
- Reinhard Halpaap
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of blocked polyisocyanates containing ca...
- Patent number 5,126,479
- Issue date Jun 30, 1992
- Bayer Aktiengesellschaft
- Willi Dunwald
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lacquer binders, a process for coating heat resistant substrates an...
- Patent number 5,061,515
- Issue date Oct 29, 1991
- Bayer Aktiengesellschaft
- Willi Dunwald
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lacquer binders, coating compositions and wire enamels based on pol...
- Patent number 4,954,577
- Issue date Sep 4, 1990
- Bayer Aktiengesellschaft
- Willi Dunwald
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of coatings with hydantoin structures b...
- Patent number 4,853,261
- Issue date Aug 1, 1989
- Bayer Aktiengesellschaft
- Willi Dunwald
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Lacquer solutions based on hydantoin group-containing polymers
- Patent number 4,565,843
- Issue date Jan 21, 1986
- Bayer Aktiengesellschaft
- Willi Dunwald
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polyamidoimides prepared from trimelitic acid anhydride, isocyanate...
- Patent number 4,546,162
- Issue date Oct 8, 1985
- Bayer Aktiengesellschaft
- Wilfried Zecher
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparation of hydantoin esters through a masked polyis...
- Patent number 4,517,353
- Issue date May 14, 1985
- Bayer Aktiengesellschaft
- Wilfried Zecher
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polyamide imides
- Patent number 4,472,567
- Issue date Sep 18, 1984
- Bayer Aktiengesellschaft
- Wilfried Zecher
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of hydantoins
- Patent number 4,465,839
- Issue date Aug 14, 1984
- Bayer Aktiengesellschaft
- Bernhard Schulte
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of (thio) hydantoins
- Patent number 4,465,840
- Issue date Aug 14, 1984
- Bayer Aktiengesellschaft
- Bernhard Schulte
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of hydantoins
- Patent number 4,448,942
- Issue date May 15, 1984
- Bayer Aktiengesellschaft
- Bernhard Schulte
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of coatings and the use of N,N',N"-tris-...
- Patent number 4,444,845
- Issue date Apr 24, 1984
- Bayer Aktiengesellschaft
- Willi Dunwald
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polymers containing hydantoin groups
- Patent number 4,298,515
- Issue date Nov 3, 1981
- Bayer Aktiengesellschaft
- Jurgen Lewalter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat-resistant cross-linked polymers and the use thereof as binders
- Patent number 4,293,669
- Issue date Oct 6, 1981
- Bayer Aktiengesellschaft
- Ludwig Rottmaier
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyhydantoins from unsaturated carboxylic acids and polyiso(thio)c...
- Patent number 4,289,868
- Issue date Sep 15, 1981
- Bayer Aktiengesellschaft
- Jurgen Lewalter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Coating compositions obtained by reacting amino carboxylic acids de...
- Patent number 4,281,095
- Issue date Jul 28, 1981
- Bayer Aktiengesellschaft
- Willi Dunwald
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polymers containing hydantoin groups
- Patent number 4,269,750
- Issue date May 26, 1981
- Bayer Aktiengesellschaft
- Jurgen Lewalter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of poly(thio)hydantoins
- Patent number 4,246,393
- Issue date Jan 20, 1981
- Bayer Aktiengesellschaft
- Wilfried Zecher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyisocyanates with at least one hydantoin or thiohydantoin ring s...
- Patent number 4,212,982
- Issue date Jul 15, 1980
- Bayer Aktiengesellschaft
- Jurgen Lewalter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of polycondensate containing cyclic imid...
- Patent number 4,187,365
- Issue date Feb 5, 1980
- Bayer Aktiengesellschaft
- Wilfried Zecher
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycondensates
- Patent number 4,124,568
- Issue date Nov 7, 1978
- Bayer Aktiengesellschaft
- Wilfried Zecher
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of oligourethanes
- Patent number 4,100,144
- Issue date Jul 11, 1978
- Bayer Aktiengesellschaft
- Willi Dunwald
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Willi Dunwald

Person

Patents Grantslast 30 patents

Coating compositions and coated heat-resistant substrates prepared...

Process for the production of blocked polyisocyanates containing ca...

Lacquer binders, a process for coating heat resistant substrates an...

Lacquer binders, coating compositions and wire enamels based on pol...

Process for the preparation of coatings with hydantoin structures b...

Lacquer solutions based on hydantoin group-containing polymers

Polyamidoimides prepared from trimelitic acid anhydride, isocyanate...

Process for preparation of hydantoin esters through a masked polyis...

Process for the production of polyamide imides

Process for the production of hydantoins

Process for the production of (thio) hydantoins

Process for the production of hydantoins

Process for the production of coatings and the use of N,N',N"-tris-...

Process for the preparation of polymers containing hydantoin groups

Heat-resistant cross-linked polymers and the use thereof as binders

Polyhydantoins from unsaturated carboxylic acids and polyiso(thio)c...

Coating compositions obtained by reacting amino carboxylic acids de...

Process for the preparation of polymers containing hydantoin groups

Process for the preparation of poly(thio)hydantoins

Polyisocyanates with at least one hydantoin or thiohydantoin ring s...

Process for the production of polycondensate containing cyclic imid...

Polycondensates

Process for the preparation of oligourethanes