Wednesday, June 10, 2026

Patent directory · USPTO A61K / A61P

Patents matching “polysaccharide”

43 pharma patents match "polysaccharide" in our USPTO index (A61K/A61P) — applicant, grant date, expiration, and drug links.

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Index total 30,257
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This filtered view shows 43 pharmaceutical patents matching "polysaccharide" in our USPTO PatentsView index (CPC A61K/A61P). Search matches patent number, title, applicant, and CPC classification codes.

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43 results for “polysaccharide” · 30,257 patents in full index Clear search

  1. US 8753649

    Polysaccharide-protein conjugate vaccines

    The United States of America, as represented by the Secretary, Department of Health and Human Services · Granted Jun 17, 2014 · Expires Jun 12, 2034

    granted
  2. US 8722645

    Galactose-pronged polysaccharides in a formulation for antifibrotic therapies

    GALECTIN THERAPEUTICS, INC. · Granted May 13, 2014 · Expires May 8, 2034

    granted
  3. US 8465749

    Polysaccharide-protein conjugate vaccines

    The United States of America as Represented by the Secretary of the Department of Health and Human Services · Granted Jun 18, 2013 · Expires Jun 13, 2033

    granted
  4. US 8367638

    Galactose-pronged polysaccharides in a formulation for antifibrotic therapies

    GALECTIN THERAPEUTICS, INC. · Granted Feb 5, 2013 · Expires Jan 31, 2033

    granted
  5. US 2013023492

    PHARMACEUTICAL COMPOSITIONS COMPRISING PLANT-BASED POLYSACCHARIDES AND USES THEREOF

    MARLOWE ZORA T [US] · Granted Jan 24, 2013 · Expires Jan 19, 2033

    granted
  6. US 8236780

    Galactose—pronged polysaccharides in a formulation for antifibrotic therapies

    GALECTIN THERAPEUTICS, INC. · Granted Aug 7, 2012 · Expires Aug 2, 2032

    granted
  7. US 8088604

    Production of defined monodisperse heparosan polymers and unnatural polymers with polysaccharide synthases

    The Board of Regents of the University of Oklahoma · Granted Jan 3, 2012 · Expires Dec 29, 2031

    granted
  8. US 8048432

    Polysaccharide-protein conjugate vaccines

    The United States of America as Represented by the Secretary of the Department of Health and Human Services · Granted Nov 1, 2011 · Expires Oct 27, 2031

    granted
  9. US 7928079

    Polysaccharide-derived nitric oxide-releasing carbon-bound diazeniumdiolates

    The United States of America, as represented by the Secretary, Department of Health and Human Services · Granted Apr 19, 2011 · Expires Apr 14, 2031

    granted
  10. US 7879370

    Composition of which chief ingredient is polysaccharides having an immunoregulatory function

    American Regent, Inc. · Granted Feb 1, 2011 · Expires Jan 27, 2031

    granted
  11. US 7575904

    Polymer grafting by polysaccharide synthases

    The Board of Regents of the University of Oklahoma · Granted Aug 18, 2009 · Expires Aug 13, 2029

    granted
  12. US 7268122

    Use of oversulfated polysaccharides as inhibitors of HIV

    FONDAZIONE CENTRO SAN RAFFAELE DEL MONTE TABOR · Granted Sep 11, 2007 · Expires Sep 6, 2027

    granted
  13. US 7112332

    Oral or intranasal vaccines using hydrophobic complexes having proteosomes and lipopolysaccharides

    The United States of America as represented by the Secretary of the Army · Granted Sep 26, 2006 · Expires Sep 21, 2026

    granted
  14. US 6984622

    Use of lipopolysaccharides to manage corneal infections and wounds

    The Regents of the University of California · Granted Jan 10, 2006 · Expires Jan 5, 2026

    expired
  15. US 6642363

    Polymers containing polysaccharides such as alginates or modified alginates

    THE REGENTS OF THE UNIVERSITY OF MICHIGAN · Granted Nov 4, 2003 · Expires Oct 30, 2023

    expired
  16. US 6632437

    Immunogenic polysaccharide-protein conjugates containing poly &agr;(2→8), &agr;(2→9) NeuNAc capsular polysaccharides

    The United States of America, as represented by the Department of Health and Human Services · Granted Oct 14, 2003 · Expires Oct 9, 2023

    expired
  17. US 6444447

    Polymer grafting by polysaccharide synthases

    The Board of Regents of the University of Oklahoma · Granted Sep 3, 2002 · Expires Aug 29, 2022

    expired
  18. US 6271214

    Process for the preparation of immunomodulatory polysaccharides from aloe

    Univera Pharmaceuticals, Inc. · Granted Aug 7, 2001 · Expires Aug 2, 2021

    expired
  19. US 6133440

    Process for the preparation of immunomodulatory polysaccharides from aloe

    Univera Pharmaceuticals, Inc. · Granted Oct 17, 2000 · Expires Oct 12, 2020

    expired