Inventor
Ralph L. Minnis
Inventor
Des Plaines, IL, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge12%
Y10TTechnical subjects covered by former us classification12%
C09DCoating compositions, e.g. paints, varnishes or lacquers10%
G03GElectrography10%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds6%
C08HDerivatives of natural macromolecular compounds6%
C08JWorking-up6%
C08LCompositions of macromolecular compounds6%
PatentTitleYear
6,430,249'Polymer dispersants and methods of use in a nuclear steam generator'20026,228,950'Polymer dispersants and methods of use in a nuclear steam generator'20015,977,287'Treatment of aqueous systems using a chemically modified tannin'19995,904,158'Thermo responsive method of removing cured paint'19995,864,596'Polymer dispersants and methods of use in a nuclear steam generator'19995,843,337'Treatment of aqueous systems using a chemically modified tannin'19985,830,315'Treatment of Aqueous systems using a chemically modified tannin'19985,262,474'Aqueous dielectric coating compositions and method of producing coatings'19934,588,649'Aqueous dielectric coatings based on copolymers of high acid content'19864,588,757'Aqueous emulsion laminating adhesive'19864,450,203'Electrographic coatings containing acrylamide copolymers'19844,404,308'Low temperature curing thermosetting coatings for solvent-sensitive moldings'19834,400,441'Electrographic coating containing aqueous emulsion copolymerized acrylamide copolymers'19834,339,505'Electrographic coatings containing acrylamide copolymers'19824,331,719'Low temperature curing thermosetting coatings for solvent-sensitive moldings'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1986Patents assigned to DESOTO INC (7)· patent assignee history
1982–2002Based in Des Plaines, IL, US· patent location history
1993Patents assigned to ROHM & HAAS (1)· patent assignee history
1998–2002Patents assigned to BETZDEARBORN INC (7)· patent assignee history
1999–2002Patents assigned to COMMW EDISON CO (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BETZDEARBORN INC | 7 | 1998–2002 |
| DESOTO INC | 7 | 1982–1986 |
| COMMW EDISON CO | 3 | 1999–2002 |
| ROHM & HAAS | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Des Plaines, Illinois, US | 15 | 1982–2002 |