Company Filing History:
4 out of 7,865 
1 out of 14,059 
Years Active: 1990-2000
Title: Ralph H. Bland: Innovator in Tear Resistant Films
Introduction
Ralph H. Bland is a notable inventor based in Saint Paul, MN (US), recognized for his contributions to the field of materials science. He holds a total of five patents, showcasing his innovative approach to developing tear resistant films.
Latest Patents
Among his latest patents, one includes a tear resistant multilayer film based on sebacic acid copolyesters. This invention features a film that comprises at least three layers arranged in a parallel array. The layers are selected from a stiff polyester or copolyester, a ductile sebacic acid-based copolyester, and optionally, an intermediate material. The tear resistance of this film can be measured using a Graves area test, reflecting its ability to absorb energy. These films are particularly useful in various applications, including security control laminates for glazing members. Another significant patent involves a tear resistant film with more than five layers, also arranged in a parallel array. Similar to the previous invention, the layers consist of a stiff polyester or copolyester and a ductile polymeric material, with the stiff polyester oriented in at least one direction. This film also demonstrates tear resistance measured in a Graves area test and is applicable in security control laminates.
Career Highlights
Ralph H. Bland has had a distinguished career, working with prominent companies such as Minnesota Mining and Manufacturing Company and 3M Innovative Properties Company. His work in these organizations has significantly contributed to advancements in material technology.
Collaborations
Throughout his career, Ralph has collaborated with notable individuals, including James M. Jonza and James D. Smith. These collaborations have fostered innovation and development in his field.
Conclusion
Ralph H. Bland's contributions to the development of tear resistant films have made a significant impact in various industries. His innovative patents and collaborations highlight his role as a key figure in materials science.
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.