Helmut Reiff

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Biologically degradable leather
- Patent number 6,254,644
- Issue date Jul 3, 2001
- Bayer Aktiengesellschaft
- Harro Träubel
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Process for imparting wet strength to paper
- Patent number 6,143,132
- Issue date Nov 7, 2000
- Bayer Aktiengesellschaft
- Harro Traubel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Aqueous polyurethane dispersions based on 1-methyl-2,4-and/or -2,6-...
- Patent number 5,922,806
- Issue date Jul 13, 1999
- Bayer Aktiengesellschaft
- Harald Blum
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the manufacture of allophanates having isocyanate groups
- Patent number 5,917,083
- Issue date Jun 29, 1999
- Bayer Aktiengesellschaft
- Klaus Konig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for tanning leather
- Patent number 5,820,634
- Issue date Oct 13, 1998
- Bayer Aktiengesellschaft
- Harro Traubel
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Chlorine-free multifunctional resins for paper finishing
- Patent number 5,739,249
- Issue date Apr 14, 1998
- Bayer Aktiengesellschaft
- Jurgen Reiners
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Water-dispersible blocked isocyanates, method of manufacture, and u...
- Patent number 5,693,737
- Issue date Dec 2, 1997
- Bayer Aktiengesellschaft
- Helmut Reiff
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Bisulfite-blocked polyisocyanates as tanning agents
- Patent number 5,618,317
- Issue date Apr 8, 1997
- Bayer Aktiengesellschaft
- Harro Traubel
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Crosslinking agents for textile printing fixing agents
- Patent number 5,607,482
- Issue date Mar 4, 1997
- Bayer Aktiengesellschaft
- Helmut Reiff
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Crosslinking agents for textile printing binders
- Patent number 5,556,935
- Issue date Sep 17, 1996
- Bayer Aktiengesellschaft
- Harro Tr aubel
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Water-dispersible blocked isocyanates, method of manufacture, and u...
- Patent number 5,508,370
- Issue date Apr 16, 1996
- Bayer Aktiengesellschaft
- Helmut Reiff
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Chlorine-free multifunctional resins for paper finishing
- Patent number 5,503,714
- Issue date Apr 2, 1996
- Bayer Aktiengesellschaft
- Jurgen Reiners
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for conditioning and stabilizing polyols
- Patent number 5,476,892
- Issue date Dec 19, 1995
- Bayer Aktiengesellschaft
- Hans J. Scholl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Coating compositions, a process for their production and their use...
- Patent number 5,459,197
- Issue date Oct 17, 1995
- Bayer Aktiengesellschaft
- Jurgen Schwindt
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition and process for the finishing of textiles
- Patent number 5,372,731
- Issue date Dec 13, 1994
- Bayer Aktiengesellschaft
- Gisbert Michels
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Microcapsules made of isocyanates with groups containing polyethyle...
- Patent number 5,342,556
- Issue date Aug 30, 1994
- Bayer Aktiengesellschaft
- Harro Traubel
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Aqueous coating composition and its use for coating mineral substrates
- Patent number 5,330,841
- Issue date Jul 19, 1994
- Bayer Aktiengesellschaft
- Hermann Gruber
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyisocyanate mixtures, a process for their production and their use
- Patent number 5,258,452
- Issue date Nov 2, 1993
- Bayer Aktiengesellschaft
- Helmut Reiff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of mono- and oligourethanes
- Patent number 5,210,273
- Issue date May 11, 1993
- Bayer Aktiengesellschaft
- Helmut Reiff
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of reagent layers containing hydrophobi...
- Patent number 5,057,276
- Issue date Oct 15, 1991
- Miles Inc.
- Gunter Helling
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of aqueous polyurethane dispersions
- Patent number 5,025,064
- Issue date Jun 18, 1991
- Bayer Aktiengesellschaft
- Helmut Reiff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Crosslinked polyurethane-polyurea powders, a process for their prod...
- Patent number 5,021,520
- Issue date Jun 4, 1991
- Bayer Aktiengesellschaft
- Helmut Reiff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Monoformylated 3,3'-diaminodipropylamines, a process for their prod...
- Patent number 4,923,952
- Issue date May 8, 1990
- Bayer Aktiengesellschaft
- Hans-Joachim Scholl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic polyisocyanates, their preparation and use as components f...
- Patent number 4,870,206
- Issue date Sep 26, 1989
- Bayer Aktiengesellschaft
- Josef Sanders
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Color photographic recording material for the dye diffusion transfe...
- Patent number 4,840,885
- Issue date Jun 20, 1989
- AGFA-Gevaert Aktiengessellschaft
- Manfred Peters
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aromatic diamines containing sulfonic acid aryl esters, a process f...
- Patent number 4,797,427
- Issue date Jan 10, 1989
- Bayer Aktiengesellschaft
- Josef Sanders
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Polyurea and polyurethane compounds containing a photographically u...
- Patent number 4,762,777
- Issue date Aug 9, 1988
- AGFA-Gevaert A.G.
- Guter Helling
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyisocyanate preparation dispersible in water and their use as an...
- Patent number 4,663,377
- Issue date May 5, 1987
- Bayer Aktiengesellschaft
- Rudolf Hombach
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous solutions or dispersions of polyisocyanate polyaddition pro...
- Patent number 4,623,416
- Issue date Nov 18, 1986
- Bayer Aktiengesellschaft
- Wolfgang Henning
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous isocyanate emulsions and their use as binders in a process...
- Patent number 4,576,771
- Issue date Mar 18, 1986
- Bayer Aktiengesellschaft
- Hans-Joachim Scholl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Helmut Reiff

Person

Patents Grantslast 30 patents

Biologically degradable leather

Process for imparting wet strength to paper

Aqueous polyurethane dispersions based on 1-methyl-2,4-and/or -2,6-...

Process for the manufacture of allophanates having isocyanate groups

Process for tanning leather

Chlorine-free multifunctional resins for paper finishing

Water-dispersible blocked isocyanates, method of manufacture, and u...

Bisulfite-blocked polyisocyanates as tanning agents

Crosslinking agents for textile printing fixing agents

Crosslinking agents for textile printing binders

Water-dispersible blocked isocyanates, method of manufacture, and u...

Chlorine-free multifunctional resins for paper finishing

Process for conditioning and stabilizing polyols

Coating compositions, a process for their production and their use...

Composition and process for the finishing of textiles

Microcapsules made of isocyanates with groups containing polyethyle...

Aqueous coating composition and its use for coating mineral substrates

Polyisocyanate mixtures, a process for their production and their use

Process for the preparation of mono- and oligourethanes

Process for the preparation of reagent layers containing hydrophobi...

Process for the production of aqueous polyurethane dispersions

Crosslinked polyurethane-polyurea powders, a process for their prod...

Monoformylated 3,3'-diaminodipropylamines, a process for their prod...

Aromatic polyisocyanates, their preparation and use as components f...

Color photographic recording material for the dye diffusion transfe...

Aromatic diamines containing sulfonic acid aryl esters, a process f...

Polyurea and polyurethane compounds containing a photographically u...

Polyisocyanate preparation dispersible in water and their use as an...

Aqueous solutions or dispersions of polyisocyanate polyaddition pro...

Aqueous isocyanate emulsions and their use as binders in a process...