Sangart, Inc.

Calculating rank

USPTO Granted Patents = 12

% Expired Patents = 33.3

CIPO Patents = 2

EPO Patents = 3

Forward Citations = 106

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4 inventors (with patents filed for the assignee):

Kim D Vandegriff (12 out of 18 patents)

Robert M Winslow (9 out of 18 patents)

Ashok Malavalli (3 out of 7 patents)

4. Gnel M Mkrtchyan (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 9493616 - Methods for preparing PEG-hemoglobin conjugates using reduced reactant ratios (2016-11-15),

2. 8609815 - Methods for preparing stable deoxygenated PEG-hemoglobin conjugate solutions comprising an antioxidant (2013-12-17),

3. 8377868 - Compositions for oxygen transport comprising a high oxygen affinity modified hemoglobin (2013-02-19),

4. 8278275 - Method to enhance hemodynamic stability using oxygen carrying compositions (2012-10-02),

5. 8021858 - Method for making polyalkylene oxide modified hemoglobin (2011-09-20),

6. 7989414 - Compositions for oxygen transport comprising a high oxygen affinity modified hemoglobin (2011-08-02),

7. 7625862 - Method for making a high oxygen affinity modified hemoglobin for oxygen transport (2009-12-01),

8. 7622439 - Method to enhance hemodynamic stability using oxygen carrying compositions (2009-11-24),

9. 7271145 - Methods and compositions for oxygen transport comprising modified hemoglobin in plasma (2007-09-18),

10. 6974795 - Compositions for oxygen transport comprising a high oxygen affinity modified hemoglobin (2005-12-13),

11. 6844317 - Methods for oxygen transport comprising a high oxygen affinity modified hemoglobin (2005-01-18),

12. 6773613 - Method for production of stroma-free hemoglobin (2004-08-10),

Company Overview

Sangart, Inc. is a biotechnology company based in San Diego, California, focused on developing innovative therapies for critical medical conditions. The company specializes in the research and development of blood substitutes and oxygen therapeutics, aiming to enhance patient outcomes in various clinical settings. With a commitment to advancing medical science, Sangart leverages its expertise in biochemistry and molecular biology to address unmet needs in the healthcare sector, particularly in emergency and surgical medicine.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

12 Patents

#448 in San Diego, CA

#6,072 in California

#25,614 in US

#48,276 in the World

San Diego, CA, United States of America

Sangart, Inc.

Forward Citations = 106

4 inventors:

Kim D Vandegriff (12 out of 18 patents)

Robert M Winslow (9 out of 18 patents)

Ashok Malavalli (3 out of 7 patents)

4. Gnel M Mkrtchyan (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sangart, Inc.. Retrieved from https://idiyas.com/company/sangart

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

2 patents (CIPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

3 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]