Inventor
Robert D. Fields
Inventor
Rochester, NY, US
Overview
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography67%
B82YSpecific uses or applications of nanostructures7%
C07DHeterocyclic compounds7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds7%
A24DCigars2%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds2%
D04HMaking textile fabrics, e.g. from fibres or filamentary material2%
D21HPulp compositions2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
Y10TTechnical subjects covered by former us classification2%
PatentTitleYear
7,914,963'Toner composition'20117,314,696'Electrophotographic toner and development process with improved charge to mass stability'20087,087,355'Electrophotographic toner containing polyalkylene wax or high crystallinity wax'20067,056,637'Electrophotographic toner with uniformly dispersed wax'20067,033,720'Development systems for magnetic toners and toners having reduced magnetic loadings'20066,797,448'Electrophotographic toner and development process with improved image and fusing quality'20046,766,136'Development systems for magnetic toners and toners having reduced magnetic loadings'20046,692,880'Electrophotographic toner with stable triboelectric properties'20046,610,451'Development systems for magnetic toners having reduced magnetic loadings'20036,589,703'Electrographic methods using hard magnetic carrier particles'20036,200,722'Method of making an electrophotographic toner surface treated with metal oxide'20016,197,466'Electrophotographic toner surface treated with metal oxide'20016,184,387'2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetamides negative charge control agents for electrostatographic toners and developers'20016,165,668'N-[2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2-cyanoacetyl]benzenesulfonamide charge control agents for electrostatographic toners and developers'20006,120,964'2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetamides negative charge control agents for electrostatographic toners and developers'20005,976,753'Electrostatographic toners and developers comprising poly[(2-cyanoacetamido)phenyl acrylate] charge-control agents'19995,922,499'2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2- cyanoacetamides charge-control agents for electrostatographic toners and developers'19995,922,822'(2-(sulfonamidomethylene)-2-cyanoacetamido)phenyl acrylate polymers'19995,874,194'Poly›N-vinylbenzoyl)sulfonamides! charge-control agents for electrostatographic toners and developers'19995,849,450'(1,2-benzisothiazol-3-(2H)-ylidene 1,1-dioxide) acetate-terminated polymer charge-control agents for electrostatographic toners and developers'19985,821,024'(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide) cyanomethylene charge-control agents for electrostatotographic toners and developers'19985,821,025'N-(1,2-benzisothiazol-3(2H)-ylideneacetyl 1,1-dioxide)amides for electrostatographic toners and developers'19985,804,348'Poly›N-(acyl)-4-vinylbenzenesulfonamides! charge-control agents for electrostatographic toners and developers'19985,766,815'N-(1,2-benzisothiazol-3(2h)-ylideneacetyl 1,1-dioxide)-benzenesulfonamides charge-control agents for electrostatographic toners and developers'19985,750,305'Poly›(2-(sulfonamidomethylene)-2-cyanoacetamido)phenyl acrylate! charge-control agents for electrostatographic toners and developers'19985,750,715'Bis›(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetates! charge-control agents'19985,744,277'Electrostatographic toners and developers containing (1,2-benzisothiazol-3-(2H)-ylidene 1,1-dioxide) acetate-terminated polymer charge-control agents'19985,739,235'(2-(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2-cyanoacetamido)phenyl acrylate compounds and polymers'19985,723,248'Electrostatographic toners and developers containing bis ›1,2-benzisthiazol-3(2h) -ylidene 1,1-dioxide) acetates!charge-control agents'19985,723,249'(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide) cyanoacetate charge-control agents for electrostatographic toners'19985,719,000'Bis›1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide cyanoacetates! for electrostatographic toners and developers'19985,719,001'(1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)methylene sulfone charge-control agents for electrostatographic toners'19985,716,749'Bis›2-1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)-2-cyanoacetamide! charge-control agents for electrostatographic toners'19985,714,295'Electrostatographic toners and developers containing (1,2-benzisothiazol-3(2H)-ylidene 1,1-dioxide)acetate charge-control agents'19984,805,644'Sidestream reducing cigarette paper'19894,587,154'Oil and grease absorbent rinsable nonwoven fabric'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1989Patents assigned to KIMBERLY CLARK CO (2)· patent assignee history
1986–1989Based in Atlanta, GA, US· patent location history
1998–2011Patents assigned to EASTMAN KODAK CO (29)· patent assignee history
1998–2011Based in Rochester, NY, US· patent location history
2003–2004Patents assigned to HEIDELBERGER DRUCKMASCH AG (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EASTMAN KODAK CO | 29 | 1998–2011 |
| HEIDELBERGER DRUCKMASCH AG | 3 | 2003–2004 |
| KIMBERLY CLARK CO | 2 | 1986–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rochester, New York, US | 34 | 1998–2011 |
| Atlanta, Georgia, US | 2 | 1986–1989 |