Patents by Inventor Alvin Guttag

Alvin Guttag 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).

  • Multiple dosage medicine drop bottle
    Patent number: 5648084
    Abstract: The present invention reveals a multiple dosage medicine drop bottle or medicinal container having a germicide on at least the outside tip of the bottle or container. The present invention also reveals a method for reducing or eliminating the risk of contamination of the multiple dose medicine drop bottle or medicinal container and it contents. The bottle or container may also contain an aqueous solution of an anticlotting agent.
    Type: Grant
    Filed: August 23, 1994
    Date of Patent: July 15, 1997
    Inventor: Alvin Guttag
  • Process for recycling printed and plastic coated paper
    Patent number: 5466333
    Abstract: A process of recycling printed paper that contain a coating of a plastic olefin polymer by either (a) treating the deinked paper material with an oxidizing agent and reforming the deinked paper material into paper or (b) reforming the deinked paper material into paper and then treating the reformed paper with an oxidizing agent is described. The deinked paper material consists of fibers containing both cellulose and a plastic olefin polymer; fibers which are a mixture of cellulose fibers and fibers containing both cellulose and a plastic olefin polymer; fibers which are a mixture of cellulose fibers, fibers of a plastic olefin, and fibers containing both cellulose and a plastic olefin polymer; and fibers which are a mixture of fibers of a plastic olefin polymer and fibers containing both cellulose and a plastic olefin polymer.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: November 14, 1995
    Inventor: Alvin Guttag
  • Biodegradable plastic and articles made therefrom
    Patent number: 5346929
    Abstract: The present invention relates to a biodegradable plastic made from a combination of at least one synthetic plastic polymer, at least one natural polymer and a natural polymer attacking agent and articles made therefrom.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: September 13, 1994
    Inventor: Alvin Guttag
  • Protected philatelic item
    Patent number: 5120089
    Abstract: The present invention relates to a method of protecting a philatelic item for alteration, which philatelic item bears a mark identifying an expert or owner of the item and possibly an additional distinguishable mark specific to the philatelic item. The invention further relates to a method of preventing fraudulent reuse of stamps.
    Type: Grant
    Filed: February 28, 1990
    Date of Patent: June 9, 1992
    Inventor: Alvin Guttag
  • Reducing cancer risk from newspapers
    Patent number: 4952426
    Abstract: The present invention provides a process for coating paper having printed ink on its surface which comprises applying and adhering a transparent plastic to said paper while said ink is wet. Preferably the paper used is newsprint and the ink used is carbon black.The present invention also provides an article comprising paper, wet ink printed on said paper, and a transparent plastic coating over the wet ink and at least that portion of the paper containing said ink.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: August 28, 1990
    Inventor: Alvin Guttag
  • Method of imparting immunomodulating, antiviral or antitumor activity
    Patent number: 4457919
    Abstract: There are prepared compounds of the formula ##STR1## where R.sup.1 is alkyl of 1 to 8 carbon atoms and R.sup.2 is the ester group of an unsubstituted monocarboxylic acid, aromatic carboxylic acid, aminocarboxylic acid, unsubstituted dicarboxylic acid, phosphoric acid, or nitric acid or a glycoside or an acetaldehyde acetal. The compounds are immunomodulators, have antiviral activity and antitumor activity and also are enzyme inhibitors. The compounds can also be used to introduce the corresponding alcohol into biological systems, in some cases with enhanced potency.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: July 3, 1984
    Assignees: Newport Pharmaceutical International, Inc., Sloan-Kettering Institute
    Inventors: Lionel N. Simon, Alfredo Giner-Sorolla, Alvin Guttag
  • Esters
    Patent number: 4340726
    Abstract: There are prepared compounds of the formula ##STR1## where R.sup.1 is alkyl of 1 to 8 carbon atoms and R.sup.2 is the ester group of an unsubstituted monocarboxylic acid, aromatic carboxylic acid, aminocarboxylic acid, unsubstituted dicarboxylic acid, phosphoric acid, or nitric acid or a glycoside or an acetaldehyde acetal. The compounds are immunomodulators, have antiviral activity and antitumor activity and also are enzyme inhibitors. The compounds can also be used to introduce the corresponding alcohol into biological systems, in some cases with enhanced potency.
    Type: Grant
    Filed: March 14, 1980
    Date of Patent: July 20, 1982
    Assignees: Newport Pharmaceuticals International, Inc., Sloan-Kettering Institute for Cancer Research
    Inventors: Lionel N. Simon, Alfredo Giner-Sorolla, Alvin Guttag