Fred D. Hawker is a notable inventor based in Villa Park, IL (US). He has made significant contributions to the field of masking compositions, particularly in methods for applying peelable masks that are resistant to strong acid and base etchants used in chemical milling. With a total of 8 patents to his name, his work has had a lasting impact on the industry.

Latest Patents

Hawker's latest patents include innovative methods for coating metal parts with peelable masks. One of his patents describes a method and aqueous emulsion for coating a metal part with a peelable mask that is resistant to chemical attack. This method involves contacting a polyvalent metal cation salt-surfaced part with an anionic emulsion, which includes coalescent rubbery particles and pigment, ensuring a total solids content of at least about 10 weight percent. Another patent outlines a method of coating a metal part with a peelable mask that is resistant to chemical etchants. This process involves surfacing the metal part with a layer of polyvalent metal salt and immersing it in a high solids content anionic emulsion, resulting in a durable coating.

Career Highlights

Throughout his career, Fred D. Hawker has worked with various companies, including Desoto, Inc. and Desota, Inc. His expertise in masking compositions has positioned him as a key figure in the development of innovative solutions for chemical milling processes.

Collaborations

Hawker has collaborated with notable individuals in his field, including Donald J. Berenschot and Dale F. Anders. These collaborations have contributed to the advancement of technologies related to masking compositions.

Conclusion

Fred D. Hawker's contributions to the field of masking compositions and his innovative patents have established him as a significant inventor in the industry. His work continues to influence the methods used in chemical milling today.

Profile summary based on public USPTO records.

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