Patents by Inventor Jack T. Vlasblom

Jack T. Vlasblom 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: 6369016
    Abstract: A heavy oil remover comprises a hydrocarbon solvent, dipropylene glycol mono n-butyl ether, a volatility stabilizer, a salt of an alkyl aromatic sulfonic acid, a branched alcohol ethoxylate, an ethoxylated alkyl mercaptan, and water.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: April 9, 2002
    Assignee: Dotolo Research Ltd.
    Inventor: Jack T. Vlasblom
  • Patent number: 6310263
    Abstract: A heavy oil remover comprises a hydrocarbon solvent, dipropylene glycol mono n-butyl ether, a salt of an alkyl aromatic sulfonic acid, a branched alcohol ethoxylate, an ethoxylated alkyl mercaptan, and water.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: October 30, 2001
    Assignee: Dotolo Research Ltd.
    Inventor: Jack T. Vlasblom
  • Patent number: 6235698
    Abstract: A heavy oil remover comprises a hydrocarbon solvent, dipropylene glycol mono n-butyl ether, a volatility stabilizer, a salt of an alkyl aromatic sulfonic acid, a branched alcohol ethoxylate, an ethoxylated alkyl mercaptan, and water.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: May 22, 2001
    Assignee: Dotolo Research Ltd.
    Inventor: Jack T. Vlasblom
  • Patent number: 6228830
    Abstract: A heavy oil remover comprises d-limonene, dipropylene glycol mono n-butyl ether, a salt of an alkyl aromatic sulfonic acid, a carboxylated anionic detergent, an ethoxylated tallow amine, a branched alcohol ethoxylate, an ethoxylated alkyl mercaptan, and water.
    Type: Grant
    Filed: June 27, 2000
    Date of Patent: May 8, 2001
    Assignee: Dotolo Research Ltd.
    Inventor: Jack T. Vlasblom
  • Patent number: 6197734
    Abstract: A high wax content heavy oil remover comprises dipropylene glycol mono n-butyl ether, ethoxylated alkyl mercaptan, salt of an alkyl aromatic sulfonic acid, branched alcohol ethoxylate, d-limonene, and white oil.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: March 6, 2001
    Assignee: Dotolo Research Ltd.
    Inventor: Jack T. Vlasblom
  • Patent number: 6093689
    Abstract: An asphalt and heavy oil degreaser comprises a cyclic hydrocarbon solvent, dipropylene glycol mono n-butyl ether, a salt of an alkyl aromatic sulfonic acid, a branched alcohol ethoxylate, and an ethoxylated alkyl mercaptan.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: July 25, 2000
    Assignee: Dotolo Research Ltd.
    Inventor: Jack T. Vlasblom
  • Patent number: 6090769
    Abstract: An asphalt and heavy oil degreaser comprises a cyclic hydrocarbon solvent, dipropylene glycol mono n-butyl ether, a volatility stabilizer, a salt of an alkyl aromatic sulfonic acid, a branched alcohol ethoxylate, and an ethoxylated alkyl mercaptan.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: July 18, 2000
    Assignee: Dotolo Research Ltd.
    Inventor: Jack T. Vlasblom
  • Patent number: 6015763
    Abstract: A cleaner impregnated towel comprises a flexible, porous substrate and, impregnated into the substrate, a cleaner formulation comprising d-limonene, dibasic acid ester, N-methyl-2-pyrrolidone, secondary alcohol ethoxylate, sodium lauryl sulfate, polysorbate 80, glycerine, ethyl alcohol, an antimicrobial preservative, and optionally water.
    Type: Grant
    Filed: February 17, 1998
    Date of Patent: January 18, 2000
    Assignee: Dotolo Research Corp.
    Inventor: Jack T. Vlasblom
  • Patent number: 5998352
    Abstract: A heavy oil remover comprises from about 0.1 to about 99 weight percent dipropylene glycol Mono N-butyl ether, from about 1 to about 99 percent of a mixture of methyl cocoate and methyl sunflowerate, from about 0.1 to about 75 weight percent napthenic petroleum distillate solvent, from about 0.1 to about 90 weight percent salt of an alkyl aromatic sulfonic acid, from about 0.05 to about 50 weight percent branched alcohol ethoxylate, from about 0.05 to about 50 weight percent ethoxylated alkyl mercaptan, and the balance, water.
    Type: Grant
    Filed: June 23, 1998
    Date of Patent: December 7, 1999
    Assignee: Dotolo Research Ltd.
    Inventor: Jack T. Vlasblom
  • Patent number: 5985816
    Abstract: A heavy oil remover comprises a terpene solvent, dipropylene glycol mono n-butyl ether, a volatility stabilizer, a salt of an alkyl aromatic sulfonic acid, a branched alcohol ethoxylate, an ethoxylated alkyl mercaptan, and water.
    Type: Grant
    Filed: April 17, 1998
    Date of Patent: November 16, 1999
    Assignee: Dotolo Research Ltd.
    Inventor: Jack T. Vlasblom
  • Patent number: 5968852
    Abstract: A cleaner impregnated towel comprises a flexible, porous substrate and a cleaner, the cleaner comprising a salt of the coconut fatty acid ester of isethionic acid, an antimicrobial compound comprising 5-chloro-2-(2,4-dichlorophenoxy) phenol and parachlorometaxylenol, and water.
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: October 19, 1999
    Assignee: Dotolo Research Corporation
    Inventor: Jack T. Vlasblom
  • Patent number: 5891835
    Abstract: A cleaner impregnated towel comprises a flexible, porous substrate and, impregnated into the substrate, a cleaner formulation comprising d-limonene, dibasic acid ester, N-methyl-2-pyrrolidone, secondary alcohol ethoxylate, sodium lauryl sulfate, polysorbate 80, a salt of a coconut oil fatty acid ester of isethionic acid, glycerine, ethyl alcohol, an antimicrobial preservative, and optionally water.
    Type: Grant
    Filed: March 17, 1998
    Date of Patent: April 6, 1999
    Assignee: Dotolo Research Corporation
    Inventor: Jack T. Vlasblom
  • Patent number: 5863881
    Abstract: A heavy oil remover comprises a cyclic hydrocarbon solvent, dipropylene glycol mono n-butyl ether, a volatility stabilizer, a salt of an alkyl aromatic sulfonic acid, a branched alcohol ethoxylate, an ethoxylated alkyl mercaptan, and water.
    Type: Grant
    Filed: February 2, 1998
    Date of Patent: January 26, 1999
    Assignee: Citra Science Ltd.
    Inventor: Jack T. Vlasblom
  • Patent number: 5814594
    Abstract: A heavy oil remover comprises a cyclic hydrocarbon solvent, dipropylene glycol mono n-butyl ether, a salt of an alkyl aromatic sulfonic acid, a branched alcohol ethoxylate, an ethoxylated alkyl mercaptan, and water.
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: September 29, 1998
    Assignee: Citra Science Ltd.
    Inventor: Jack T. Vlasblom
  • Patent number: 5728662
    Abstract: A gel hand cleaner consists essentially of d-limonene, a solvent, C-11 alcohol ethoxylate, polyoxyethylene (20) sorbitan monooleate, a water-soluble acrylic polymer, sodium hydroxide, mixed isothiazolinones, 2,6-di-tert-butyl-p-cresol, and the balance, water.
    Type: Grant
    Filed: July 5, 1996
    Date of Patent: March 17, 1998
    Assignee: Dotolo Research Corporation
    Inventor: Jack T. Vlasblom
  • Patent number: 5698475
    Abstract: A cleaner impregnated towel comprises a flexible, porous substrate, a cleaner comprising a salt of the coconut fatty acid ester of isethionic acid, and optionally an antimicrobial compound comprising 5-chloro-2-(2,4-dichlorophenoxy) phenol and parachlorometaxylenol, impregnated within the substrate.
    Type: Grant
    Filed: May 28, 1996
    Date of Patent: December 16, 1997
    Assignee: Dotolo Research Corporation
    Inventor: Jack T. Vlasblom
  • Patent number: 5604193
    Abstract: A composition useful for removing adhesives and enamels from surfaces consists of d-limonene, dibasic acid ester, and N-methyl pyrrolidone.
    Type: Grant
    Filed: December 8, 1994
    Date of Patent: February 18, 1997
    Assignee: Dotolo Research Corporation
    Inventor: Jack T. Vlasblom
  • Patent number: 5565208
    Abstract: An insect repellent having extended repellency consists of d-limonene, di-N-propyl isocinchomeronate, N-octyl bicycloheptene dicarboximide, C-11 alcohol ethoxylate, polysorbate 80, and an organic solvent selected from the group consisting of dipropylene glycol N-butyl ether, citronella oil, dimethyl phthalate, and N,N-diethyl-m-toluamide, and mixtures thereof.
    Type: Grant
    Filed: November 3, 1994
    Date of Patent: October 15, 1996
    Assignee: Citra Science Ltd.
    Inventor: Jack T. Vlasblom
  • Patent number: 5514300
    Abstract: A cleaner for urethane process equipment consists of d-limonene, N-methyl-2-pyrrolidone, dipropylene glycol N-butyl ether, coconut oil diethanolamide, dihexyl sodium sulfosuccinate, and water.
    Type: Grant
    Filed: November 21, 1994
    Date of Patent: May 7, 1996
    Assignee: Dotolo Research Corporation
    Inventor: Jack T. Vlasblom