Patents by Inventor Thomas M. Wong

Thomas M. Wong 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: 5006344
    Abstract: Shelf stable tablets containing fosinopril sodium are prepared by employing either sodium stearyl fumarate or hydrogenated vegetable oil as the lubricant. The tablets can contain conventional excipients such as fillers, binders, and disintegrants as well as an optional diuretic.
    Type: Grant
    Filed: June 26, 1990
    Date of Patent: April 9, 1991
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Robert L. Jerzewski, Thomas M. Wong, Lewis J. Gryziewicz, Nemichand B. Jain, Ajit B. Thakur
  • Patent number: 4496554
    Abstract: An ointment-like composition for the topical administration of a corticosteroid is disclosed.For the topical administration of corticosteroids an ointment-like composition comprising not less than 40% by weight of isostearyl alcohol can be used.
    Type: Grant
    Filed: October 15, 1981
    Date of Patent: January 29, 1985
    Assignee: E. R. Squibb & Sons, Inc.
    Inventor: Thomas M. Wong
  • Patent number: 4327080
    Abstract: New bendroflumethiazide formulations in solid form are provided which are characterized by excellent disintegration and dissolution capabilities even after long periods of storage. The new bendroflumethiazide formulations, for example, in the form of tablets, are formed of one or more excipients and a dry granulation containing one or more fillers, such as lactose and starch, and a preformed partial coprecipitate of bendroflumethiazide and a wetting agent therefor, such as polyvinyl pyrrolidone which converts the bendroflumethiazide into a more hydrophilic form.
    Type: Grant
    Filed: July 13, 1981
    Date of Patent: April 27, 1982
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Thomas M. Wong, Mahendra R. Patel
  • Patent number: 4304773
    Abstract: New bendroflumethiazide formulations in solid form are provided which are characterized by excellent disintegration and dissolution capabilities even after long periods of storage. The new bendroflumethiazide formulations, for example, in the form of tablets, contain in addition to bendroflumethiazide, a combination of microcrystalline cellulose which serves as a diluent and aids in disintegration of the tablets, lactose which serves as a diluent, optionally starch (in the gelatinized form) which serves as a disintegrant, and one or more auxilliary disintegrants, such as sodium carboxymethyl starch, a tablet lubricant, such as magnesium stearate, and a colorant, if desired.A method for preparing the above formulations is also provided.
    Type: Grant
    Filed: June 26, 1980
    Date of Patent: December 8, 1981
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Thomas M. Wong, Mahendra R. Patel
  • Patent number: 4299828
    Abstract: Corticosteroid formulations in the form of a lipophilic stick are provided which are used as anti-inflammatory agents; the lipophilic stick includes the corticosteroid, such as halcinonide or triamcinolone acetonide, dissolved in an oleaginous solvent which is miscible with the other stick ingredients, which solvents include isostearyl alcohol, dibutyl sebacate, castor oil and/or mineral oil, one or more waxes to provide body and stiffness, and an anti-microbial agent to prevent growth and eliminate the spreading of microbes on the surface of the stick, such as propylene glycol or 1,3-butylene glycol.
    Type: Grant
    Filed: October 16, 1980
    Date of Patent: November 10, 1981
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Yu-chang J. Wang, Thomas M. Wong
  • Patent number: 4233295
    Abstract: Corticosteroid formulations in the form of creams, lotions or ointments are provided which are used as anti-inflammatory agents, wherein the corticosteroid, such as halcinonide (21-chloro-9-fluoro-11.beta.-hydroxy-16.alpha.,17-[(1-methylethylidene)-bi s(oxy)]pregn-4-ene-3,20-dione) is dissolved in a sebacate carrier, such as dibutyl sebacate.
    Type: Grant
    Filed: May 31, 1979
    Date of Patent: November 11, 1980
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: John A. Hill, Yu-chang J. Wang, Thomas M. Wong