Rainer Welte

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the production of open-celled rigid polyurethane foams...
- Patent number 5,698,601
- Issue date Dec 16, 1997
- Bayer Aktiengesellschaft
- Rainer Welte
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for the production of substantially closed-cell rigid foams...
- Patent number 5,418,258
- Issue date May 23, 1995
- Bayer Aktiengesellschaft
- Rainer Welte
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the purification of polyisocyanates, the polyisocyanate...
- Patent number 5,386,054
- Issue date Jan 31, 1995
- Bayer Aktiengesellschaft
- Hans J. Scholl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of substantially closed-cell rigid foam...
- Patent number 5,350,780
- Issue date Sep 27, 1994
- Bayer Aktiengesellschaft
- Rainer Welte
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of liquid storable organic isocyanates...
- Patent number 5,202,358
- Issue date Apr 13, 1993
- Bayer Aktiengesellschaft
- Hans-Joachim Scholl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyisocyanate mixtures containing isocyanurate groups, a process f...
- Patent number 5,124,370
- Issue date Jun 23, 1992
- Bayer Aktiengesellschaft
- Hans J. Scholl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Substantially closed-cell rigid foams containing urethane, urea and...
- Patent number 5,070,115
- Issue date Dec 3, 1991
- Bayer Aktiengesellschaft
- Rainer Welte
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of inorganic-organic synthetic foam mate...
- Patent number 4,198,487
- Issue date Apr 15, 1980
- Bayer Aktiengesellschaft
- Hans-Joachim Scholl
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of mineral fiber mats
- Patent number 4,190,459
- Issue date Feb 26, 1980
- Bayer Aktiengesellschaft
- Rainer Welte
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS

Rainer Welte

Person

Patents Grantslast 30 patents

Process for the production of open-celled rigid polyurethane foams...

Process for the production of substantially closed-cell rigid foams...

Process for the purification of polyisocyanates, the polyisocyanate...

Process for the preparation of substantially closed-cell rigid foam...

Process for the preparation of liquid storable organic isocyanates...

Polyisocyanate mixtures containing isocyanurate groups, a process f...

Substantially closed-cell rigid foams containing urethane, urea and...

Process for the production of inorganic-organic synthetic foam mate...

Process for the production of mineral fiber mats