Harold Heller

Person

Cologne, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Weakly basic anion exchangers, processes for their preparation by a...
- Patent number 5,612,383
- Issue date Mar 18, 1997
- Bayer Aktiengesellschaft
- Harold Heller
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process of removing sulfate ions from water with a poly(meth)acryla...
- Patent number 5,441,646
- Issue date Aug 15, 1995
- Bayer Aktiengesellschaft
- Harold Heller
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the preparation of anion exchange resins of the poly(me...
- Patent number 5,414,020
- Issue date May 9, 1995
- Bayer Aktiengesellschaft
- Harold Heller
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the preparation of weakly acid cation exchange resins
- Patent number 5,175,193
- Issue date Dec 29, 1992
- Bayer Aktiengesellschaft
- Harold Heller
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of bifunctional anion exchange resins,...
- Patent number 4,988,738
- Issue date Jan 29, 1991
- Bayer Aktiengesellschaft
- Alfred Mitschker
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for reducing the wash water requirement of weakly basic ani...
- Patent number 4,705,637
- Issue date Nov 10, 1987
- Bayer Aktiengesellschaft
- Harold Heller
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Ion exchanger fertilizers and a process for supplying plants with n...
- Patent number 4,469,502
- Issue date Sep 4, 1984
- Bayer Aktiengesellschaft
- Harold Heller
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Fertilizers
- Patent number 4,402,725
- Issue date Sep 6, 1983
- Bayer Aktiengesellschaft
- Harold Heller
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Ion exchanger fertilizers
- Patent number 4,396,412
- Issue date Aug 2, 1983
- Bayer Aktiengesellschaft
- Harold Heller
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Synthetic resins based on crosslinked copolymers of monovinyl and p...
- Patent number 4,319,015
- Issue date Mar 9, 1982
- Bayer Aktiengesellschaft
- Werner Struver
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for treating drinking water and sewage
- Patent number 4,115,261
- Issue date Sep 19, 1978
- Bayer Aktiengesellschaft
- Herbert Corte
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Harold Heller

Person

Patents Grantslast 30 patents

Weakly basic anion exchangers, processes for their preparation by a...

Process of removing sulfate ions from water with a poly(meth)acryla...

Process for the preparation of anion exchange resins of the poly(me...

Process for the preparation of weakly acid cation exchange resins

Process for the preparation of bifunctional anion exchange resins,...

Process for reducing the wash water requirement of weakly basic ani...

Ion exchanger fertilizers and a process for supplying plants with n...

Fertilizers

Ion exchanger fertilizers

Synthetic resins based on crosslinked copolymers of monovinyl and p...

Process for treating drinking water and sewage