Rosin-based resin and toner containing same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8431303
APP PUB NO 20120183896A1
SERIAL NO

13007683

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed is a polyester resin comprising the polycondensation product of (a) at least one diacid, acid ester, or diester; and (b) at least one diol; wherein either (i) at least one diacid, acid ester, or diester comprises a rosin diacid, rosin acid ester, or rosin diester; or (ii) at least one diol comprises a rosin diol. Also disclosed is a toner composition comprising particles which comprise the disclosed polyester resin and an optional colorant.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
XEROX CORPORATIONSTAMFORD, CT13713

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gerroir, Paul J Oakville, CA 61 981
Hawkins, Michael S Cambridge, CA 86 923
Sacripante, Guerino G Oakville, CA 238 5896
Zhou, Ke Oakville, CA 136 623
Zwartz, Edward G Mississauga, CA 136 1120

Cited Art Landscape

Patent Info (Count) # Cites Year
 
FUJI XEROX CO., LTD. (1)
5800957 Toner for electrostatic latent image development and process for producing the same 5 1995
 
Arakawa Kagaku Kogyo Kabushiki Kaisha (2)
4507376 Electrophotographic toner composition 8 1983
4508806 Electrophotographic toner composition 9 1983
 
KAO CORPORATION (1)
* 2009/0069,530 POLYESTER FOR TONER 6 2007
 
KONICA MINOLTA HOLDINGS, INC. (1)
* 7150952 Toner for developing electrostatic image and producing method therefor 5 2004
 
CYTEC SURFACE SPECIALTIES, INC. (1)
4971881 Toner composition comprising rosin modified styrene acrylic resin 3 1989
 
XEROX CORPORATION (3)
2009/0208,864 SOLVENT-FREE PHASE INVERSION PROCESS FOR PRODUCING RESIN EMULSIONS 14 2008
* 2010/0055,592 TONER COMPOSITIONS 6 2008
* 2010/0297,546 TONER COMPOSITIONS 5 2009
 
DAINIPPON INK AND CHEMICALS, INC. (1)
* 2007/0264,589 Modified Nigrosine, Its Production Method, and Toner for Developing Electrostatic Charge Images Using This Modified Nigrosine 2 2005
 
SAMSUNG ELECTRONICS CO., LTD. (1)
* 7932008 Hybrid toner and method of preparing the same 2 2007
 
Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha (1)
* 4968575 A toner composition comprising a rosin-containing polyester 26 1988
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
FUJI XEROX CO., LTD. (2)
* 8980513 Polyester resin, electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method 0 2012
* 2013/0164,672 POLYESTER RESIN, ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD 1 2012
 
KYOCERA DOCUMENT SOLUTIONS INC. (2)
* 9069270 Toner for electrostatic latent image development 0 2013
* 2013/0260,309 TONER FOR ELECTROSTATIC LATENT IMAGE DEVELOPMENT 0 2013
 
KAO CORPORATION (2)
* 8852841 Toner for electrostatic image development 0 2012
* 2013/0157,192 TONER FOR ELECTROSTATIC IMAGE DEVELOPMENT 0 2012
 
XEROX CORPORATION (2)
* 8574803 Toner compositions of biodegradable amorphous polyester resins 6 2011
* 2013/0164,668 TONER COMPOSITIONS OF BIODEGRADABLE AMORPHOUS POLYESTER RESINS 7 2011
* Cited By Examiner

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