How many patents does
Covestro have?
patents
1,090
families
148
granted
203
applications
887
US
233
EP
199
WO
163
CN
146
KR
66
JP
55
RoW
228
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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the following tables are just extracts from the report
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Covestro
Top ten assignees appearing on patents
2009
| bayer materialscience | 56 |
| dupont | 2 |
| bayer antwerpen | 2 |
Covestro
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| thermoplastic polyurethane copolymer molding compositions | 41 | 2007 |
| low temperature curing polyuretdione compositions | 24 | 2010 |
| impact resistant, flame retardant thermoplastic molding composition | 21 | 2007 |
| polyurethane composites produced by a vacuum infusion process | 19 | 2011 |
| process for preparing rigid polyisocyanurate foams using natural-oil polyols | 18 | 2008 |
| cold-pressed mats of lignocellulosic material having improved cold tack and a process fo… 🛈 | 17 | 2010 |
| polybutadiene modified polymer polyols, foams prepared from polybutadiene modified polym… 🛈 | 17 | 2013 |
| automated processes for the production of polyurethane wind turbine blades | 16 | 2009 |
| hybrid phd/pmpo polyols for polyurethane foam applications | 16 | 2011 |
| process for the production of sized and/or wet-strength papers, paperboards and cardboar… 🛈 | 15 | 2010 |