Inventor
Douglas Checknita
Inventor
Calgary, CA
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Lprimary
C08LCompositions of macromolecular compounds18%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form13%
C08JWorking-up13%
B29CShaping or joining of plastics10%
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. inserts10%
B29LIndexing scheme associated with subclass b29c, relating to particular articles10%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients10%
Y10TTechnical subjects covered by former us classification10%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
PatentTitleYear
10,066,093Barrier film for food packaging20189,850,369Barrier film for food packaging20179,796,823'Shrink films'20179,644,087'Barrier film for food packaging'20179,587,093'Barrier film for food packaging'20179,074,082'Polyethylene compositions having high dimensional stability and excellent processability for caps and closures'20155,854,352'Melt fracture reduction'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998Patents assigned to NOVA CHEMICAL LTD (1)· patent assignee history
1998–2018Based in Calgary, CA· patent location history
2015–2018Patents assigned to NOVA CHEM INT SA (2)· patent assignee history
2017Patents assigned to NOVA CHEMICALS INTERNATIONAL SA (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NOVA CHEMICALS INTERNATIONAL SA | 4 | 2017 |
| NOVA CHEM INT SA | 2 | 2015–2018 |
| NOVA CHEMICAL LTD | 1 | 1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Calgary, CA | 7 | 1998–2018 |