Inventor
Martin Heijnen
Inventor
Landsberg am Lech, DE
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation26%
C02FTreatment of water, waste water, sewage, or sludge21%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for5%
A23VIndexing scheme relating to foods, foodstuffs or non-alcoholic beverages and lactic or propionic acid bacteria used in foodstuffs or food preparation5%
B29CShaping or joining of plastics5%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts5%
B29LIndexing scheme associated with subclass b29c, relating to particular articles5%
C07CAcyclic or carbocyclic compounds5%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
C08JWorking-up5%
PatentTitleYear
11,117,817Removing metal ions from aqueous systems with an active layer membrane202110,906,012Process for making membranes202110,569,227Improving the chemical stability of filtration membranes202010,441,925Process for making membranes20196,495,043'Membrane which comprises a blend of a polysulphone or a polyether sulphone and polyethylene oxide/polypropylene oxide substituted ethylene diamine'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002Patents assigned to KALSEP LTD (1)· patent assignee history
2002Based in Camberley, GB· patent location history
2019–2021Patents assigned to BASF SE (3)· patent assignee history
2019–2021Based in Landsberg am Lech, DE· patent location history
2021Patents assigned to DUPONT SAFETY & CONSTRUCTION INC (1)· patent assignee history
2021Based in Greifenberg, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF SE | 3 | 2019–2021 |
| DUPONT SAFETY & CONSTRUCTION INC | 1 | 2021 |
| KALSEP LTD | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Landsberg am Lech, DE | 3 | 2019–2021 |
| Greifenberg, DE | 1 | 2021 |
| Camberley, GB | 1 | 2002 |