Inventor
Eric Alvin Johnson
Inventor
Lansdale, PA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Dprimary
C09DCoating compositions, e.g. paints, varnishes or lacquers36%
C08LCompositions of macromolecular compounds14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds9%
C09KMaterials for miscellaneous applications, not provided for elsewhere9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
A61KPreparations for medical, dental or toiletry purposes5%
A61QSpecific use of cosmetics or similar toiletry preparations5%
C11DDetergent compositions5%
C12NMicroorganisms or enzymes5%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture5%
PatentTitleYear
7,338,988'Aqueous inkjet ink composition'20086,956,082'Inkjet ink composition'20056,743,875'Polymeric binders for ink jet inks'20046,693,147'Polymeric binders for ink jet inks'20046,541,590'Polymeric binders from copolymers of unsaturated carboxylic acids and surfactant monomers'20035,451,641'Multi-stage polymer particles having a hydrophobically-modified, ionically-soluble stage'19955,266,646'Multi-stage polymer particles having a hydrophobically-modified, ionically-soluble stage'19935,137,571'Method for improving thickeners for aqueous systems'19924,540,664'Method of saccharifying cellulose'1985Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1985Patents assigned to US ENERGY (1)· patent assignee history
1985Based in Brookline, MA, US· patent location history
1992–2008Patents assigned to ROHM & HAAS (8)· patent assignee history
1992–2008Based in Lansdale, PA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ROHM & HAAS | 8 | 1992–2008 |
| US ENERGY | 1 | 1985 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lansdale, Pennsylvania, US | 8 | 1992–2008 |
| Brookline, Massachusetts, US | 1 | 1985 |