John D Halm

Title: John D Halm: Innovator in Substrate Coating Technology

Introduction

John D Halm is a notable inventor based in Lindenhurst, IL (US). He has made significant contributions to the field of substrate coating technology. With a focus on improving surface quality, Halm has developed innovative methods that enhance the performance of rough-surfaced substrates.

Latest Patents

Halm holds a patent for a substrate smoothed by coating with a gypsum-containing composition. This invention involves a rough-surfaced substrate, such as fiberboard, which is treated with a coating comprising calcium sulfate hemihydrate. This coating is prevented from hydrating to gypsum by a set preventer and sets when it comes into contact with a set initiator, such as aluminum sulfate, which is preferably present on the surface of the substrate. This innovative approach allows for a smoother surface finish, enhancing the usability of various substrates.

Career Highlights

Halm is associated with the United States Gypsum Company, where he has applied his expertise in substrate technology. His work has contributed to advancements in the manufacturing processes of construction materials. With a patent portfolio that includes 1 patent, Halm has established himself as a key figure in his field.

Collaborations

Throughout his career, Halm has collaborated with talented individuals such as Aida L Carbo and Michael R Lynn. These partnerships have fostered innovation and have led to the development of new technologies in substrate coating.

Conclusion

John D Halm's contributions to substrate coating technology exemplify the impact of innovative thinking in the materials industry. His work continues to influence the development of smoother and more efficient substrates, showcasing the importance of invention in enhancing product performance.