Inventor
John W. Spiewak
Inventor
Webster, NY, US
Overview
Patents· 57 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography63%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds12%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry1%
B23KSoldering or unsoldering1%
B29CShaping or joining of plastics1%
B29DProducing particular articles from plastics or from substances in a plastic state1%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts1%
B29LIndexing scheme associated with subclass b29c, relating to particular articles1%
PatentTitleYear
7,109,365'Processes for solubilizing organometallic compounds in fluorinated solvents by addition of a partly fluorinated non-catalytic co-solubilizer'20067,006,780'Partially fluorinated polymer coated development electrodes'20066,218,066'Developer compositions and processes'20016,212,347'Imaging apparatuses and processes thereof containing a marking material with a charge acceptance additive of an aluminum complex'20016,187,499'Imaging apparatus'20016,187,498'Liquid developers and processes thereof'20016,180,308'Developer compositions and processes'20016,095,801'Flexible torch assembly'20006,060,204'Liquid developers and processes thereof'20006,002,893'High and low pigment loadings for custom colors'19995,942,365'Developer compositions and imaging processes'19995,919,514'Process for preparing electroded donor rolls'19995,866,292'Liquid developer compositions with copolymers'19995,783,349'Liquid developer compositions'19985,714,297'Liquid developer compositions with rhodamine'19985,688,624'Liquid developer compositions with copolymers'19975,672,456'Liquid developer compositions'19975,643,707'Liquid developer compositions'19975,627,002'Liquid developer compositions with cyclodextrins'19975,573,882'Liquid developer compositions with charge director block copolymers'19965,565,297'Liquid developer compositions with oxygen containing copolymers'19965,554,469'Charging processes with liquid compositions'19965,525,449'Liquid developer compositions with alcohol'19965,525,448'Liquid developer compositions with quaternized polyamines'19965,525,450'Liquid developer compositions with multiple block copolymers'19965,484,679'Liquid developer compositions with multiple block copolymers'19965,478,688'Liquid developer compositions with charge adjuvants of a copolymer of an alky acrylamidoglycolate alkyl ether and an alkenylester'19955,476,743'Liquid developer compositions with organic additives'19955,466,551'Image member including a grounding layer'19955,459,007'Liquid developer compositions with block copolymers'1995H0001483'Liquid developer compositions'19955,441,841'Liquid developer compositions with block copolymers'19955,411,834'Liquid developer compositions with fluoroalkyl groups'19955,409,796'Liquid developer compositions with quaternized polyamines'19955,407,775'Liquid developer compositions with block copolymers'19955,397,672'Liquid developer compositions with block copolymers'19955,385,796'Electrophotographic imaging member having unmodified hydroxy methacrylate polymer charge blocking layer'19955,336,577'Single layer photoreceptor'19945,244,762'Electrophotographic imaging member with blocking layer containing uncrosslinked chemically modified copolymer'19935,149,609'Polymers for photoreceptor overcoating for use as protective layer against liquid xerographic ink interaction'19925,063,125'Electrically conductive layer for electrical devices'19915,063,128'Conductive and blocking layers for electrophotographic imaging members'19915,028,687'Arylamine carbonate polymer'19914,988,597'Conductive and blocking layers for electrophotographic imaging members'19914,935,487'Carbonate-arylamine polymer'19904,921,769'Photoresponsive imaging members with polyurethane blocking layers'19904,806,444'Arylamine polymers and systems utilizing arylamine polymers'19894,806,443'Polyarylamine compounds and systems utilizing polyarylamine compounds'19894,801,517'Polyarylamine compounds and systems utilizing polyarylamine compounds'19894,747,992'Process for fabricating a belt'19884,557,868'Process for preparing a phthalocyanine'19854,414,359'Diene-containing rubber compositions having improved green strength'19834,338,425'Process for preparing diene-containing rubbers having improved green strength'19824,226,972'Process for preparing poly(organophosphazenes) from soluble or gelled poly(dichlorophosphazenes)'19804,035,344'Process for preparing ordered aromatic copolyamide urea polymer'19773,975,331'Process for producing aromatic polyamides from amidine derivatives of polyamide forming reactants'19763,960,818'Ordered aromatic copolyamide urea polymer'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1983Patents assigned to FIRESTONE TIRE & RUBBER CO (6)· patent assignee history
1976–1977Based in Akron, OH, US· patent location history
1980–2006Based in Webster, NY, US· patent location history
1985–2006Patents assigned to XEROX CORP (48)· patent assignee history
1988Patents assigned to ABRAMSOHN DENNIS A (1)· patent assignee history
1988Patents assigned to BRACH PAUL J (1)· patent assignee history
1988Patents assigned to GRIFFITHS CLIFFORD H (1)· patent assignee history
2000Based in Coal City, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XEROX CORP | 48 | 1985–2006 |
| FIRESTONE TIRE & RUBBER CO | 6 | 1976–1983 |
| ABRAMSOHN DENNIS A | 1 | 1988 |
| BRACH PAUL J | 1 | 1988 |
| GRIFFITHS CLIFFORD H | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Webster, New York, US | 53 | 1980–2006 |
| Akron, OH, US | 3 | 1976–1977 |
| Coal City, Illinois, US | 1 | 2000 |