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For the Inventor, By the Inventor

Bedford, MA, United States of America

Donald A McGowan

USPTO Granted Patents = 15

Average Co-Inventor Count = 4.3

ph-index = 8

Forward Citations = 468(Granted Patents)


Location History:

  • Arlington, MA (US) (1982)
  • Stoneham, MA (US) (1986 - 1989)
  • Bedford, MA (US) (1993 - 2002)

Company Filing History:

goldMedal15 out of 2,176 
 
Polaroid Corporation
 patents

Years Active: 1982-2002

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15 patents (USPTO):Explore Patents
1. 6482950 - Squarylium compounds, and processes and intermediates for the synthesis of these compounds (2002-11-19),
2. 5919950 - Squarylium compounds, and processes and intermediates for the synthesis (1999-07-06),
3. 5795981 - Processes for the preparation of squarylium dyes (1998-08-18),
4. 5492795 - Squarylium dyes, and processes and intermediates for the preparation (1996-02-20),
5. 5430156 - Color-providing compound having two or more cyclic 1,3 sulfur-nitrogen (1995-07-04),
6. 5415970 - Image-recording material (1995-05-16),
7. 5354873 - Squarylium dyes, and processes and intermediates for the preparation (1994-10-11),
8. 5316887 - Thermally developable photosensitive material (1994-05-31),
9. 5231190 - Squarylium compounds, and processes and intermediates for the synthesis (1993-07-27),
10. 5227499 - Substituted squarylium dyes, and processes and intermediates for the (1993-07-13),
11. 5227498 - Squarylium dyes, and processes and intermediates for the preparation (1993-07-13),
12. 4826976 - Color-shifted dyes with thermally unstable carbamate moiety comprising (1989-05-02),
13. 4663518 - Optical storage identification card and read/write system (1987-05-05),
14. 4602263 - Thermal imaging method (1986-07-22),
15. 4355169 - Thiazolidinyl-substituted phenyl sulfonamides (1982-10-19),

Title: The Innovations of Donald A. McGowan: A Glimpse into His Contributions to Modern Chemistry

Introduction

Donald A. McGowan, an esteemed inventor based in Bedford, MA, has made significant contributions to the field of chemistry, particularly in the development of squarylium compounds. With an impressive portfolio of 15 patents, his work has paved the way for new advancements in chemical synthesis and materials.

Latest Patents

Among his latest patents, McGowan's work on squarylium compounds and the processes for their synthesis stands out. These compounds, characterized by specific formulas, involve innovative methods for creating aliphatic or cycloaliphatic groups through the reaction of squaric acid derivatives with various chemical compounds. His contributions extend the boundaries of chemical possibilities, offering new avenues for applications in various industries.

Career Highlights

Throughout his career, McGowan has worked with notable organizations and has made seminal advancements in his field. He is currently associated with the Polaroid Corporation, where he continues to explore innovative solutions and scientific breakthroughs. His extensive research and development efforts have not only resulted in patents but have also contributed to the broader scope of chemical expertise.

Collaborations

In addition to his individual accomplishments, Donald A. McGowan has collaborated with other talented experts in the field, including Stephen J. Telfer and John W. Lee. These collaborative efforts have resulted in enhanced research output and innovation, fostering an environment of shared knowledge and expertise.

Conclusion

Donald A. McGowan's journey as an inventor is marked by his dedication to innovation and chemical advancement. Through his patents and collaborative projects, he continues to leave a lasting impact on the field of chemistry, demonstrating the importance of inventors in driving forward technological progress and improving the world around us.

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