Company Filing History:
Years Active: 1989-1991
Title: Innovator Manssur Yalpani: Pioneering Advances in Hydroxyalkyl-Celluloses
Introduction
Manssur Yalpani, an accomplished inventor based in Kirkland, CA, has made significant contributions to the field of polysaccharide chemistry. With a total of seven patents to his name, Yalpani's innovations focus on the development of aminoalkyl-derivatives of hydroxyalkyl-celluloses, which hold a wide array of applications in various industries.
Latest Patents
Among his latest patents, Yalpani has developed a product that features a water-soluble, high molecular weight aminoalkyl-derivative of hydroxyalkyl-cellulose. This particular cellulose variant has a molecular weight of at least 50,000 daltons. One of the methods to create this product involves the reaction of hydroxyalkyl cellulose in a basic aqueous medium, in the presence of halogenalkylaminohalide compounds. This process results in a hydroxyalkyl cellulose that includes an alkylamino group, which can either be used directly or further reacted with an amide reducing agent, such as sodium cyanoborohydride, along with carbohydrate residues like mono-, di-, oligo-saccharides, and starch.
Another significant patent revolves around new amines and amides derived from carboxylated polysaccharides. Yalpani's method entails reacting carboxymethyl cellulose with ammonium donors, forming amides or amines that boast the nitrogen of the amido and amino groups directly attached to the polysaccharides. These innovative products have valuable applications in biological separations, protein immobilization, metal ion removal, and function as thickeners and suspension agents.
Career Highlights
Yalpani's career is marked by his pivotal role at Domtar Inc., where he continues to push the boundaries of research and innovation. His work has undoubtedly advanced the understanding and application of polysaccharide derivatives, creating new possibilities across various technical fields.
Collaborations
Throughout his career, Yalpani has collaborated with notable colleagues, including Magdy M Abdel-Malik and Leon Magdzinski. These partnerships have likely contributed to the dynamism and creativity found in his innovative projects.
Conclusion
Manssur Yalpani stands out as a trailblazer in the realm of hydroxyalkyl-celluloses, with his inventive work laid down in multiple patents. Through his research and collaborations, he continues to drive advancements in polysaccharide chemistry, showcasing the potential of these compounds in diverse applications across different industries.