Inventor
Hanno R. Van der Wal
Inventor
Hoek, NL
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds54%
C08LCompositions of macromolecular compounds15%
C08JWorking-up12%
B29BPreparation or pretreatment of the material to be shaped4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
10,759,891Copolymer polyol with functional additive in dispersed phase20209,758,619'Process for making polyether alcohols having oxyethylene units by polymerization of ethylene carbonate in the presence of double metal cyanide catalysts'20179,644,097'Stabilizer polymerization process and process for making polymer polyols'20178,822,581'Melt dispersion process for making polymer polyols'20148,686,057'Polyurethanes made from hydroxy-methyl containing fatty acids or alkyl esters of such fatty acids'20148,680,211'Hybrid polyester-polyether polyols'20148,436,063'Polymer polyols and polymer dispersions made from vegetable oil-based hydroxyl-containing materials'20138,296,974'Thermoplastic polyurethane containing structural units of polyester and polyether diols'20126,849,666'Polyurethanes containing dispersed crystalline polyesters'20055,936,055'Acid functionalized polyurethane adducts'19995,274,004'Process for conversion of polyurethane polymer to polyol and fresh polyurethane polymer therefrom'19935,244,932'Polymer polyol dispersions, a process for making them and polyurethane foams prepared using such polyol dispersions'19934,980,445'Thermoplastic polyurethanes'19904,789,690'Polyurethane foam and process for its preparation'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1999Patents assigned to DOW CHEMICAL CO (5)· patent assignee history
1988Based in MA Hulst, CH· patent location history
1990Based in Delfzijl, NL· patent location history
1993Based in Kreeksingel, NL· patent location history
1993Based in BV Delfzyl, NL· patent location history
1999–2020Based in Hoek, NL· patent location history
2012–2017Patents assigned to VAN DER WAL HANNO R (7)· patent assignee history
2013–2020Patents assigned to DOW GLOBAL TECHNOLOGIES LLC (7)· patent assignee history
2013–2014Patents assigned to BARTELINK CAMIEL F (2)· patent assignee history
2014–2017Patents assigned to CASATI FRANCOIS M (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW GLOBAL TECHNOLOGIES LLC | 7 | 2013–2020 |
| VAN DER WAL HANNO Rself | 7 | 2012–2017 |
| DOW CHEMICAL CO | 5 | 1988–1999 |
| CASATI FRANCOIS M | 3 | 2014–2017 |
| BARTELINK CAMIEL F | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hoek, NL | 10 | 1999–2020 |
| Kreeksingel, NL | 1 | 1993 |
| BV Delfzyl, NL | 1 | 1993 |
| Delfzijl, NL | 1 | 1990 |
| MA Hulst, CH | 1 | 1988 |