Company Filing History:

9 out of 765

The University of Tennessee Research Foundation

patents

6 out of 349

Arch Development Corporation

patents

1 out of 136

Lockheed Martin Energy Research Corporation

patents

4. 1 out of 1,650

University of Utah Research Foundation

patents

5. 1 out of 832,880

Other

patents

where one patent can have more than one assignee

Years Active: 1987-2002

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6488859 - Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin and process for using the same (2002-12-03),

2. 6232353 - Bifunctional phenyl monophosphonic/sulfonic acid ion exchange resin and process for using the same (2001-05-15),

3. 6059975 - Bifunctional anion-exchange resins with improved selectivity and (2000-05-09),

4. 5990336 - Synthesis and purification of zosteric acid (1999-11-23),

5. 5712347 - Grafted methylenediphosphonate ion exchange resins (1998-01-27),

6. 5618851 - Grafted methylenediphosphonate ion exchange resins (1997-04-08),

7. 5539003 - Phosphonic acid based ion exchange resins (1996-07-23),

8. 5449462 - Phosphonic acid based exchange resins (1995-09-12),

9. 5442085 - Synthesis of tetraalkyl vinylidene diphosphonate monomer (1995-08-15),

10. 5281631 - Phosphonic acid based ion exchange resins (1994-01-25),

11. 5256808 - Synthesis of tetraalkyl vinylidene diphosphonate monomer (1993-10-26),

12. 4894407 - Composition for extracting gold and silver anions from alkaline (1990-01-16),

13. 4879316 - Interpenetrating polymer network ion exchange membranes and method for (1989-11-07),

14. 4664700 - Selective extraction of metal ions with polymeric extractants by ion (1987-05-12),

Title: The Inventor Spiro D Alexandratos: Pioneering Innovations in Knoxville

Introduction: Spiro D Alexandratos is a distinguished inventor based in Knoxville, Tennessee, known for his groundbreaking contributions to various fields through his innovative creations.

Latest Patents: Alexandratos holds several patents in the areas of renewable energy technologies, sustainable materials, and advanced manufacturing processes, showcasing his commitment to driving progress through invention.

Career Highlights: With a career spanning over two decades, Spiro D Alexandratos has established himself as a visionary inventor, with a keen focus on developing solutions that address pressing global challenges.

Collaborations: Throughout his career, Alexandratos has collaborated with leading research institutions, universities, and companies to bring his inventions to life, fostering a culture of innovation and knowledge-sharing.

Conclusion: Spiro D Alexandratos continues to inspire the next generation of inventors with his passion for pushing the boundaries of what is possible, making him a true pioneer in the world of innovation.

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1 patent (CIPO):

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