Inventor
Jerry L. Hahnfeld
Inventor
Midland, MI, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds38%
C08LCompositions of macromolecular compounds29%
C08JWorking-up8%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
C08CTreatment or chemical modification of rubbers4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
G11BInformation storage based on relative movement between record carrier and transducer4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
PatentTitleYear
6,815,475'Compositions comprising hydrogenated block copolymers and end-use applications thereof'20046,632,890'Hydrogenated block copolymer compositions'20036,455,656'Process for preparing hydrogenated aromatic polymers'20026,451,924'Hydrogenated block copolymers and optical media discs produced therefrom'20026,426,390'Hydrogenated block copolymer compositions'20026,376,621'Hydrogenated block copolymers and optical media discs produced therefrom'20026,350,820'Hydrogenated block copolymers and optical media discs produced therefrom'20026,310,112'Hydrogenated vinyl aromatic polymer foams'20015,700,887'Preparation of branched polymers from vinyl aromatic monomer'19975,650,106'Extruded foams having a monovinyl aromatic polymer with a broad molecular weight distribution'19975,075,347'Method for the preparation of hydroperoxide derivatives of rubbery polymers'19914,717,741'Rubber modified styrenic polymer compositions formed from hydroperoxide derivatives of rubbery polymers'19884,690,976'Blends of olefinic and monovinylidene aromatic polymers'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–2002Patents assigned to DOW CHEMICAL CO (8)· patent assignee history
1987–2004Based in Midland, MI, US· patent location history
1997Patents assigned to DOW DEUTSCHLAND INC (1)· patent assignee history
2002–2004Patents assigned to DOW GLOBAL TECHNOLOGIES INC (4)· patent assignee 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 | 8 | 1987–2002 |
| DOW GLOBAL TECHNOLOGIES INC | 4 | 2002–2004 |
| DOW DEUTSCHLAND INC | 1 | 1997 |
| DOW GLOBAL TECHNOLOGY INC | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Midland, MI, US | 13 | 1987–2004 |