Company Filing History:
1 out of 104 
1 out of 832,718 Years Active: 1997-1998
Title: Donna DiFerdinando: Innovator in Denture Adhesive Technology
Introduction
Donna DiFerdinando is a notable inventor based in Union Beach, NJ (US). She has made significant contributions to the field of dental adhesives, particularly in the development of denture fixatives. With a total of 2 patents, her work has advanced the technology used in dental care products.
Latest Patents
DiFerdinando's latest patents include a denture fixative with an adhesion promoter. This innovative composition comprises an adhesion promoter and a highly cross-linked copolymer of a lower alkyl vinyl ether and maleic anhydride or acid. The invention ensures that at least 65.0% of the total number of initial carboxyl groups in the copolymer are reacted. The cross-linking agent used in this invention is calcium cation, with the option to replace up to about 30.0% of the calcium function with other inorganic cross-linking agents or polyhydroxy compounds. The adhesion promoters utilized are chelating agents such as polycarboxylic acids, hydroxycarboxylic acids, aminocarboxylic acids, polyphosphoric acids, and their alkali salts. Another patent focuses on an improved denture adhesive composition, which consists of a highly cross-linked lower alkyl ether/maleic acid or maleic anhydride copolymer. In this formulation, up to about 85% of the initial free carboxyl groups are reacted with various cross-linking agents, including mixtures of inorganic divalent cations and organic bifunctional compounds.
Career Highlights
Throughout her career, DiFerdinando has worked with reputable companies, including Block Drug Company, Inc. Her expertise in dental adhesive technology has positioned her as a key player in the industry.
Collaborations
DiFerdinando has collaborated with notable individuals such as Tiang Shing Chang and Tiang-shing Chang. These partnerships have contributed to her innovative work in denture adhesives.
Conclusion
Donna DiFerdinando's contributions to denture adhesive technology have made a significant impact in the dental field. Her innovative patents and collaborations highlight her dedication to improving dental care products.
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