Patents by Inventor Danielle Avolio

Danielle Avolio has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5855656
    Abstract: Disclosed is an ink composition which comprises (a) water, (b) a colorant, and (c) a material of the formula ?(F.sub.3 C(F.sub.2 C).sub.n CH.dbd.CHCH.sub.2 OCH(OH)CH.sub.2).sub.2 NCH.sub.2 COO.sup.- !?X.sup.+ !, wherein X is a cation and n is an integer of from about 3 to about 20. Also disclosed are processes for preparing the ink composition and ink jet printing processes with the ink composition.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: January 5, 1999
    Assignee: Xerox Corporation
    Inventors: Kurt B. Gundlach, Luis A. Sanchez, Cheryl A. Hanzlik, Kathy-Jo Brodsky, Richard L. Colt, Aileen M. Montes, Rachael L. McGrath, Danielle Avolio
  • Patent number: 5810916
    Abstract: Disclosed is an ink composition which comprises (a) water, (b) a colorant selected from the group consisting of Acid Yellow 23, Acid Yellow 17, Reactive Red 180, Direct Blue 199, Acid Blue 9, and mixtures thereof, (c) imidazole, (d) an additive selected from the group consisting of betaine, polyethylene oxide, and mixtures thereof, and (e) a material of the formula ?(F.sub.3 C(F.sub.2 C).sub.n CH.dbd.CHCH.sub.2 OCH(OH)CH.sub.2).sub.2 NCH.sub.2 COO-!?X+!, wherein X is a cation and n is an integer of from about 3 to about 20. Also disclosed are ink jet printing processes employing the aforementioned ink.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: September 22, 1998
    Assignee: Xerox Corporation
    Inventors: Kurt B. Gundlach, Luis A. Sanchez, Richard L. Colt, Danielle Avolio
  • Patent number: 5766325
    Abstract: Disclosed is an ink composition which comprises (1) water, (2) a colorant, (3) a material of the formula ?(F.sub.3 C(F.sub.2 C).sub.n CH.dbd.CHCH.sub.2 OCH(OH)CH.sub.2).sub.2 NCH.sub.2 COO.sup.- !?X.sup.+ !, wherein X is a cation and n is an integer of from about 3 to about 20, (4) a polymer selected from the group consisting of (a) tetrafunctional block copolymers derived from the addition of propylene oxide and ethylene oxide to ethylenediamine; (b) polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymers; (c) polypropylene oxide-polyethylene oxide-polypropylene oxide triblock copolymers; (d) ethoxylated 2-naphthol polymers; and (e) mixtures thereof; and (5) an additive selected from the group consisting of (i) diethylene glycol; (ii) glycerol; (iii) trimethylol propane; (iv) urea; (v) n-methyl pyrrolidone; (vi) sulfolane; (vii) 1,4 diazabicyclo(2.2.2)octane; (viii) cyclohexylpyrrolidone; and (ix) mixtures thereof.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: June 16, 1998
    Assignee: Xerox Corporation
    Inventors: Kurt B. Gundlach, Luis A. Sanchez, Danielle Avolio, Maura A. Sweeney, Richard L. Colt
  • Patent number: 5766326
    Abstract: Disclosed is an ink composition which comprises water, a colorant, 1,4-diazabicyclo?2.2.2!octane, and a fluorinated material selected from the group consisting of (a) those of the formula ?(F.sub.2n+1 C.sub.n CH.sub.2 S).sub.2 (CH.sub.3)C--CH.sub.2 CH.sub.2 COO.sup.- !?B.sup.+ !, wherein n is an integer of from about 8 to about 20 and B is a cation, and (b) those of the formula ?(F.sub.3 C(F.sub.2 C).sub.n CH.dbd.CHCH.sub.2 OCH(OH)CH.sub.2).sub.2 NCH.sub.2 COO.sup.- !?X.sup.+ !, wherein X is a cation and n is an integer of from about 3 to about 20. Also disclosed are processes for preparing the aforementioned ink and ink jet printing processes employing the aforementioned ink.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: June 16, 1998
    Assignee: Xerox Corporation
    Inventors: Kurt B. Gundlach, Richard L. Colt, Luis A. Sanchez, Danielle Avolio