Patents Represented by Attorney John P. Luther

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  • Folding utility truck rack with side panels and locking bed cover
    Patent number: 6799784
    Abstract: A truck storage rack system that allows quick assembly and disassembly of the rack having a minimum number of components. The rack includes side panels that contain tall or bulky materials during transport. The rack includes collapsible support members that locks the rack in place and protects the rear cab window. The support members easily lock unto the side panels allowing full storage capacity for the truck bed.
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: October 5, 2004
    Inventor: Antonio Santiago Rios
  • Non-dispersible vermiculite products
    Patent number: 4885330
    Abstract: Provided is a process for the production of shaped vermiculite articles having excellent resistance to water dispersibility from an aqueous dispersion of vermiculite lamellae having incorporated therein a cationic polyquaternary ammonium salt.
    Type: Grant
    Filed: November 20, 1987
    Date of Patent: December 5, 1989
    Assignee: Hercules Incorporated
    Inventors: Clement L. Brungardt, Pamela K. Rush
  • Aqueous mineral dispersions
    Patent number: 4801403
    Abstract: A process for the production of an aqueous dispersion of vermiculite ore particles comprising delaminating vermiculite ore by subjecting an aqueous slurry of the ore to a shearing action until a dispersion containing vermiculite lamellae having dimensions less than 200 microns is produced.
    Type: Grant
    Filed: July 17, 1987
    Date of Patent: January 31, 1989
    Assignee: Hercules Incorporated
    Inventors: Cheng-Fa Lu, Lawrence L. Nelson
  • Conversion of solid dicyclopentadiene to a liquid monomer for use in reaction injection molding
    Patent number: 4751337
    Abstract: A method of preparing a mixture composed principally of dicyclopentadiene which is caused to remain liquid at low temperatures by the presence of other cyclopentadiene oligomers.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: June 14, 1988
    Assignee: Hercules Incorporated
    Inventors: Herbert H. Espy, Albert S. Matlack
  • Alpha methylstyrene and para methylstyrene copolymers
    Patent number: 4732936
    Abstract: Disclosed are copolymers of alpha methylstyrene and para methylstyrene having Ring & Ball softening points greater than 140.degree. C., a Tg of greater than 100.degree. C. to 110.degree. C., a weight average molecular weight (Mw) of less than 15,000, and a molecular weight distribution of about 2 to about 3. These copolymers are useful in adhesives, sealants and molding compounds, especially as reinforcing or modifier resins for thermoplastic block copolymers having aromatic and aliphatic blocks contained in pressure sensitive adhesives.
    Type: Grant
    Filed: December 17, 1985
    Date of Patent: March 22, 1988
    Assignee: Hercules Incorporated
    Inventor: John F. Holohan, Jr.
  • No thermal cure dry film solder mask
    Patent number: 4717643
    Abstract: Disclosed are dry film solder mask compositions containing a binder material that is the reaction product of: (a) a polymerized mixture of polypropyleneglycol monomethacrylate, methacrylic acid and, preferably, specific acrylates and methacrylates; and (b) isocyanatoethyl methacrylate. The masks are equal or superior to current dry film masks in affording protection to circuit boards.
    Type: Grant
    Filed: August 6, 1985
    Date of Patent: January 5, 1988
    Assignee: Hercules Incorporated
    Inventors: Bernard J. Scheve, Clement L. Brungardt
  • Photopolymerizable films containing plasticizer silica combinations
    Patent number: 4686171
    Abstract: Disclosed is an aqueous developable, photopolymerizable composition having increased flexibility and reduced cold flow comprising a unique mixture of a siliceous material and a plasticizer in combination with known photopolymerizable monomers, polymeric binders, thermal polymerization inhibitors, and photoinitiators.
    Type: Grant
    Filed: February 14, 1986
    Date of Patent: August 11, 1987
    Assignee: Hercules Incorporated
    Inventors: Charles C. Fifield, Richard T. Mayes, Marilyn Tate, Daniel F. Varnell