Inventor
Jan Feijen
Inventor
Hengelo, NL
Overview
Patents· 24 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes19%
A61LMethods or apparatus for sterilising materials or objects in general17%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds17%
Y10TTechnical subjects covered by former us classification7%
C08BPolysaccharides6%
C08HDerivatives of natural macromolecular compounds6%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations4%
C07KPeptides4%
C08JWorking-up4%
C12NMicroorganisms or enzymes4%
PatentTitleYear
10,184,027Reduction sensitive biodegradable polyesteramides20199,951,183Amphiphilic blockcopolymers comprising reduction sensitive biodegradable polyesteramides20189,132,201'Hydrogels based on polymers of dextran tyramine and tyramine conjugates of natural polymers'20159,006,337'Method for making a polymer, a polymer article, a biodevice, and cyclic carbonate'20158,829,069'Method for preparing a degradable polymer network'20148,546,517'Poly(bisoxalamides)'20138,492,505'Branched biodegradable polymers, a macromonomer, processes for the preparation of same, and their use'20137,572,838'Method for providing shaped biodegradable and elastomeric structures of (co) polymers of 1,3-trimethylene carbonate (TMC), shaped biodegradable and elastomeric structures, and the use of these structures'20096,838,435'Isolated and recombinant antimicrobial peptides thrombocidin-1 (TC-1) and thrombocidin-2(TC-2) or variants thereof'20056,835,391'Poly (ether ester amide) and poly (ether ester urethane) copolymers'20046,685,957'Preparation of fibrous polymer implant containing bioactive agents using wet spinning technique'20046,172,167'Copoly(ester-amides) and copoly(ester-urethanes)'20016,117,979'Process for making a bioprosthetic device and implants produced therefrom'20005,658,967'Providing a surface with carboxyl groups and surface and product thus provided'19975,496,557'Article for the controlled delivery of an active substance, comprising a hollow space fully enclosed by a wall and filled in full or in part with one or more active substances'19965,134,192'Process for activating a polymer surface for covalent bonding for subsequent coating with heparin or the like'19925,061,750'Covalent attachment of anticoagulants and the like onto biomaterials'19915,041,292'Biodegradable hydrogel matrices for the controlled release of pharmacologically active agents'19914,965,128'Biodegradable polymer substrates loaded with active substance suitable for the controlled release of the active substance by means of a membrane'19904,925,677'Biodegradable hydrogel matrices for the controlled release of pharmacologically active agents'19904,678,671'Conjugates of anticoagulant and protein'19874,634,762'Conjugates of anticoagulant and protein'19874,526,714'Conjugates of anticoagulant and protein'19854,356,166'Time-release chemical delivery system'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–2015Based in Hengelo, NL· patent location history
1985–1991Patents assigned to CORDIS EUROP (3)· patent assignee history
1990–1991Based in Oude Grensweg, NL· patent location history
2000Based in Twente, NL· patent location history
2001–2013Patents assigned to UNIV TWENTE (4)· patent assignee history
2004Patents assigned to CHIENNA BV (2)· patent assignee history
2013–2015Patents assigned to FEIJEN JAN (5)· patent assignee history
2013–2015Patents assigned to DIJKSTRA PIETER JELLE (3)· patent assignee history
2018–2019Based in Echt, NL· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FEIJEN JANself | 5 | 2013–2015 |
| UNIV TWENTE | 4 | 2001–2013 |
| CORDIS EUROP | 3 | 1985–1991 |
| DIJKSTRA PIETER JELLE | 3 | 2013–2015 |
| CHIENNA BV | 2 | 2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hengelo, NL | 19 | 1982–2015 |
| Echt, NL | 2 | 2018–2019 |
| Oude Grensweg, NL | 2 | 1990–1991 |
| Twente, NL | 1 | 2000 |