Inventor
Charles A. Berglund
Inventor
Midland, MI, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B29Cprimary
B29CShaping or joining of plastics29%
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. inserts29%
C08LCompositions of macromolecular compounds29%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds14%
PatentTitleYear
6,429,260'Olefinic polymer compositions'20026,426,390'Hydrogenated block copolymer compositions'20024,959,435'Oriented optically transparent crystalline syndiotatic vinylaromatic polymer'19904,824,629'Process for preparing an oriented crystalline syndiotactic vinylaromatic polymer'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2002Patents assigned to DOW CHEMICAL CO (3)· patent assignee history
1989–2002Based in Midland, MI, US· patent location history
2002Patents assigned to DOW GLOBAL TECHNOLOGY INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DOW CHEMICAL CO | 3 | 1989–2002 |
| DOW GLOBAL TECHNOLOGY INC | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Midland, MI, US | 4 | 1989–2002 |