Inventor

Melvin D. Croucher

Inventor

Oakville, CA

Overview

1984–2003

Patent span

Physics

Primary field (CPC G)

Patents· 38 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary

G03GElectrography56%

C09DCoating compositions, e.g. paints, varnishes or lacquers24%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments2%

PatentTitleYear

6,544,321'Nanoscopic pigments'2003 6,258,873'Ink compositions substantially free of organic liquids'2001 5,916,996'Polyester-imide toner and developer compositions'1999 5,554,480'Fluorescent toner processes'1996 5,496,676'Toner aggregation processes'1996 5,409,793'Polyimide-imine toner and developer compositions'1995 5,391,456'Toner aggregation processes'1995 5,370,964'Toner aggregation process'1994 5,366,841'Toner aggregation processes'1994 5,348,831'Polyester-imide toner and developer compositions'1994 5,345,254'Ink jet printing process'1994 5,302,195'Ink compositions containing cyclodextrins'1994 5,211,747'Ink jet ink compositions containing desizing agents'1993 5,200,290'Liquid developers containing colored polymers with a color chromophore covalently bound thereto'1993 5,164,232'Ink compositions'1992 5,156,675'Ink for ink jet printing'1992 5,153,286'Processes for the preparation of particles'1992 5,145,518'Inks containing block copolymer micelles'1992 5,129,948'Ink for ink jet printing'1992 5,100,469'Ink compositions having decreased drying times'1992 5,030,535'Liquid developer compositions containing polyolefin resins'1991 5,023,160'Liquid developer compositions'1991 5,021,318'Process for forming secure images'1991 4,960,667'Positively charged black liquid electrophotographic developer compositions'1990 4,880,720'Liquid developer compositions'1989 4,877,698'Electrophotographic process for generating two-color images using liquid developer'1989 4,830,945'Liquid electrophotographic developer comprising oppositely charged toner particles and dyes of different colors'1989 4,822,710'Liquid developer compositions'1989 4,816,370'Developer compositions with stabilizers to enable flocculation'1989 4,804,601'Electrophotographic and electrographic imaging processes'1989 4,797,342'Processes for the preparation of liquid developers with low vapor pressure components'1989 4,795,794'Processes for colored particles from polymerizable dyes'1989 4,789,616'Processes for liquid developer compositions with high transfer efficiencies'1988 4,766,049'Latex based colored liquid developers'1988 4,764,446'Liquid developer compositions with high transfer efficiency'1988 4,762,764'Liquid developer'1988 4,680,332'Ink jet compositions and process for preparation thereof'1987 4,476,210'Dyed stabilized liquid developer and method for making'1984

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984–2003Patents assigned to XEROX CORP (38)· patent assignee history

1984–1994Based in Oakville, CA· patent location history

1994–1999Based in St. Catharines, CA· patent location history

1995Based in St. Catherines, CA· patent location history

2001–2003Based in Rochester, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	38	1984–2003

Locations

Location	Patents	Span
Oakville, CA	29	1984–1994
St. Catharines, CA	6	1994–1999
Rochester, New York, US	2	2001–2003
St. Catherines, CA	1	1995