This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: Smith & Nephew, Inc., Research, Pilkington Brothers P.l.c.. Active years: 1977-1984.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Harlow, EN (1977)
- Harlow, GB (1978 - 1984)
Company Filing History:
Years Active: 1977-1984
Title: **The Innovative Mind of Andrew C. Barclay: A Look into His Patents and Career**
Introduction
Andrew C. Barclay, an esteemed inventor located in Harlow, GB, has made significant contributions to the field of cement compositions and glasses through his innovative patents. With a total of five patents to his name, Barclay's work showcases a commitment to advancing material science, particularly in the development of new building materials that are both efficient and effective.
Latest Patents
Among Barclay's latest innovations is a water-hardenable cement composition that includes a fluorine-free calcium aluminosilicate glass in particulate form. This composition is distinguished by the specific particle size of less than 100 microns and its chemical composition, which consists of 25-35% silica, 27-35% calcium oxide, 25-40% alumina, and limited amounts of alkali metal oxide and titania. The careful ratio of calcium oxide to silica, along with the inclusion of polycarboxylic acid, enhances the properties of the cement, making it a vital material for construction.
Another noteworthy patent relates to fluorine-free calcium-aluminosilicate glasses, which comprise 25 to 35% silica, 27 to 35% calcium oxide, and a combination of alkali metal and titanium oxides. These finely divided glasses exhibit reactivity with aqueous polycarboxylic acids, resulting in a solid mass that can be utilized in splinting compositions, thus offering new solutions within the medical and construction industries.
Career Highlights
Throughout his career, Andrew C. Barclay has worked with prominent companies, including Smith & Nephew, Inc. and Pilkington Brothers P.L.C. His experiences in these organizations have provided him with a robust foundation for his innovative pursuits, allowing him to combine industrial knowledge with research and development to create impactful inventions.
Collaborations
Barclay has also collaborated with notable colleagues such as William D. Potter and Reginald Dunning, contributing to a dynamic exchange of ideas and expertise. These partnerships have undoubtedly enriched his work and led to further advancements in the field of material science.
Conclusion
Andrew C. Barclay's contributions to the development of cement compositions and calcium-aluminosilicate glasses demonstrate his dedication to innovation and improvement in construction materials. With five patents under his belt, his work not only reflects his inventive spirit but also has a lasting impact on the industries he serves. As he continues to create and innovate, Barclay's legacy as a pioneering inventor in his field is sure to grow.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile