Company Filing History:
1 out of 26 
1 out of 48 
Years Active: 2001-2008
Title: The Innovations of Steven Don Sandstrum
Introduction
Steven Don Sandstrum, an accomplished inventor based in Kingwood, TX, holds two patents, showcasing his expertise in the field of polymer science. His innovative contributions to the development of ethylene polymers highlight his commitment to advancing the materials used in various industries.
Latest Patents
Sandstrum's latest patents include a "Polymer of Ethylene," which describes a polymer characterized by a μ/μ ratio of at least 13, along with a high load melt index (HLMI) lower than 8 g/10 min. This invention also mentions a specific value of tan δ at ω/ωc=0.01 of less than 1.3, where δ is defined using the elastic modulus (G') and viscous modulus (G"). The polymerization process outlined involves using a chromium-supported catalyst on silica-titania.
His second patent, titled "Shaped Products Manufactured from Composition Consisting Essentially of Ethylene Homopolymer," pertains to an ethylene homopolymer characterized by a density of about 0.956 to about 0.970 g/cm³ and a high load melt index ranging from about 7 to about 21 g/10 min. The process for producing this ethylene homopolymer is also defined, utilizing a chromium oxide catalyst and various diluents. The shaped products derived from this composition emphasize the versatility and effectiveness of his innovative polymer formulations.
Career Highlights
Steven Don Sandstrum's professional journey includes significant roles at Solvay Polyolefins Europe in Belgium and Ineos Manufacturing Belgium NV. His work at these prestigious companies has contributed to the development of advanced polymer technologies and further establishes his reputation in the field of polymer science.
Collaborations
Throughout his career, Sandstrum has collaborated with notable colleagues, including Daniel Marissal and Robert Ernest Sander. These partnerships have likely fostered an environment of creativity and innovation, leading to the remarkable advancements reflected in his patent filings.
Conclusion
Steven Don Sandstrum is a notable inventor whose work in polymer science continues to influence the industry. His patented innovations in ethylene polymers represent significant contributions to material science. As he progresses in his career, his developments will undoubtedly pave the way for new applications and advancements in the field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.