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San Diego, CA, United States of America

Protein Polymer Technologies, Inc.

Calculating rank

USPTO Granted Patents = 27

% Expired Patents = 18.5

Trademarks = 1

Forward Citations = 1,311

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14 inventors (with patents filed for the assignee):

Joseph Cappello (17 out of 26 patents)

Erwin R Stedronsky (14 out of 14 patents)

Franco A Ferrari (12 out of 17 patents)

4. Charles Richardson (5 out of 5 patents)

5. John W Crissman (5 out of 5 patents)

6. James W Chambers (4 out of 46 patents)

7. Thomas J Pollock (4 out of 31 patents)

8. Stuart C Causey (4 out of 5 patents)

9. Garret Textor (1 out of 2 patents)

10. Joseph Capello (1 out of 1 patent)

11. Tina L Buerkle (1 out of 1 patent)

12. Mary A Dorman (1 out of 1 patent)

13. David M Donofrio (1 out of 2 patents)

14. David A Donofrio (1 out of 1 patent)

Core Competencies:

Peptides

Synthetic Proteins

Tissue Adhesives

Polyfunctional Crosslinking

Mechanical Performance

Repetitive DNA

Protein Polymers

Enzymatic Cross-Linking

Thermoplastics

Collagen-Like Proteins

Drug Delivery

Tissue Augmentation

27 patents: Sort by Forward Citations

1. 7893229 - Peptides comprising repetitive units of amino acids and DNA sequences encoding the same (2011-02-22),

2. 7300663 - Adhesion and sealing of tissue with compositions containing polyfunctional crosslinking agents and protein polymers (2007-11-27),

3. 7285580 - Methods of using primer molecules for enhancing the mechanical performance of tissue adhesives and sealants (2007-10-23),

4. 6875796 - Methods of using primer molecules for enhancing the mechanical performance of tissue adhesives and sealants (2005-04-05),

5. 6576685 - Methods of using primer molecules for enhancing the mechanical performance of tissue adhesives and sealants (2003-06-10),

6. 6423333 - Sealing or filling tissue defects using polyfunctional crosslinking agents and protein polymers (2002-07-23),

7. 6380154 - Synthetic proteins for in vivo drug delivery and tissue augmentation (2002-04-30),

8. 6355776 - Peptides comprising repetitive units of amino acids and DNA sequences encoding the same (2002-03-12),

9. 6258872 - Methods of using primer molecules for enhancing the mechanical performance of tissue adhesives and sealants (2001-07-10),

10. 6184348 - Functional recombinantly prepared synthetic protein polymer (2001-02-06),

11. 6140072 - Functional recombinantly prepared synthetic protein polymer (2000-10-31),

12. 6034220 - Chemical modification of repetitive polymers to enhance water solubility (2000-03-07),

13. 6033654 - Bonding together tissue with adhesive containing polyfunctional (2000-03-07),

14. 6018030 - Peptides comprising repetitive units of amino acids and DNA sequences (2000-01-25),

15. 6015474 - Methods of using primer molecules for enhancing the mechanical (2000-01-18),

Company Overview

Protein Polymer Technologies, Inc. is a biotechnology firm based in San Diego, California, specializing in the development and manufacturing of innovative protein-based materials. The company focuses on creating advanced polymer technologies that have applications in various fields, including medical devices, drug delivery systems, and tissue engineering. By leveraging its expertise in protein chemistry and polymer science, Protein Polymer Technologies aims to address complex challenges in health and medicine, contributing to the advancement of biocompatible materials.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

27 Patents

#221 in San Diego, CA

#2,937 in California

#12,436 in US

#24,055 in the World

San Diego, CA, United States of America

Protein Polymer Technologies, Inc.

Forward Citations = 1,311

14 inventors:

Joseph Cappello (17 out of 26 patents)

Erwin R Stedronsky (14 out of 14 patents)

Franco A Ferrari (12 out of 17 patents)

4. Charles Richardson (5 out of 5 patents)

5. John W Crissman (5 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Protein Polymer Technologies, Inc.. Retrieved from https://idiyas.com/company/protein-polymer-technologies

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]

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