How many patents does
Perstorp have?
patents
239
families
46
granted
33
applications
206
EP
58
WO
47
US
24
CN
18
JP
5
KR
4
GB
4
RoW
79
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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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42 million
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the following tables are just extracts from the report
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Perstorp
Top ten assignees appearing on patents
2009 - 2018
| perstorp | 200 |
| dyrup | 12 |
| schoeller arca systems | 11 |
| perstorp france | 4 |
| phone-poulenc chimie | 1 |
| gredegard, karin ohgren | 1 |
| devenz | 1 |
| s. & u. holding company | 1 |
2009
| perstorp | 1 |
| phone-poulenc chimie | 1 |
Perstorp
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| a valve assembly intended for use together with a pallet container and a liner | 13 | 2011 |
| radiation curing coating composition | 12 | 2014 |
| process for production of a spiroglycol | 12 | 2015 |
| alkyd resin composition comprising silica | 12 | 2011 |
| composition preventing necrotic enteritis in galloanserans | 12 | 2013 |
| animal feed additive effective as preservative | 12 | 2011 |
| non-phthalic plasticiser | 11 | 2010 |
| urethane acrylates based on 2,4,8,10-tetraoxospiro[5.5]undecane-3,9-dialkanols | 10 | 2013 |
| acrylic compund with tetraoxaspiro backbone for radiation curable compositions | 10 | 2013 |
| production of 1,6-hexanediol | 9 | 2010 |