US Patent No: 5,397,388

Number of patents in Portfolio can not be more than 2000

Hot melt ink for ink jet printers

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Abstract

A hot melt ink for an ink jet printer comprises 50 wt. % or more of a solid wax that is solid at normal temperatures and has a solubility parameter of not larger than 9.00, an organic substance having a solubility parameter greater than that of the solid wax, a polymer material that is miscible with at least one of the solid wax and the organic substance and which has a weight average molecular weight of not less than 500, and a coloring material. The hot melt ink exhibits good dispersability and dispersion stability of the coloring material with good heat stability and color fastness to light.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
BROTHER KOGYO KABUSHIKI KAISHANAGOYA-SHI AICHI-KEN7991

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujioka, Masaya Nagoya, JP 93 405

Cited Art

Patent Info (Count) # Cites Year
 
DATAPRODUCTS CORPORATION (3)
4,390,369 Natural wax-containing ink jet inks 237 1981
4,659,383 High molecular weight, hot melt impulse ink jet ink 74 1984
4,822,418 Drop on demand ink jet ink comprising dubutyl sebecate 15 1988
 
SEIKO EPSON CORPORATION (1)
5,000,786 Ink composition and ink jet recording apparatus and method 32 1988

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
BROTHER KOGYO KABUSHIKI KAISHA (9)
5,531,819 Hot melt ink 16 1995
5,669,965 Hot melt ink 13 1996
5,662,736 Hot melt ink 12 1996
5,667,569 Water-based ink and ink jet recording method using same 25 1996
5,965,196 Method for controlling transparency of print 9 1997
5,922,114 Hot-melt ink composition 13 1997
6,132,500 Hot-melt ink 2 1998
5,980,621 Hot-melt ink 11 1998
6,121,345 Hot-melt ink 7 1998
 
MARKEM-IMAJE CORPORATION (4)
5,700,313 Ink for ink jet printing 6 1996
5,938,826 Hot melt ink 11 1997
6,093,239 Hot melt ink 7 1999
6,702,884 Pigmented hot melt inks 8 2001
 
XEROX CORPORATION (3)
6,797,745 Hot melt inks containing styrene or terpene polymers 1 1999
6,306,203 Phase change inks 5 2000
7,572,325 Ink carriers, phase change inks including same and methods for making same 1 2005
 
3D SYSTEMS, INC. (2)
6,132,665 Compositions and methods for selective deposition modeling 16 1999
6,406,531 Compositions and methods for selective deposition modeling 5 2000
 
WILMINGTON TRUST FSB (2)
5,645,632 Diesters of polymerized fatty acids useful in formulating hot-melt inks 55 1996
6,350,889 Ink jet printing compositions containing ester-terminated dimer acid-based oligo (ester/amide) 2 1999
 
EASTMAN KODAK COMPANY (1)
5,698,018 Heat transferring inkjet ink images 22 1997
 
GLAZEJET LIMITED (1)
6,773,496 Phase change ink composition 1 2002
 
IDEE & PRODOTTI S.R.L. (1)
5,560,765 Hot-melt type ink composition comprising wax and amide(s) 13 1995
 
MEADWESTVACO CORPORATION (1)
6,020,399 Hybrid polymers for phase change ink jet inks and method of printing therewith 2 1998
 
OCE-TECHNOLOGIES B.V. (1)
7,084,190 Meltable ink composition 4 2003
 
PELIKAN PRODUKTIONS AG (1)
6,153,667 Hot melt ink 29 1999