Patent · US Active

Dental materials and method of manufacture

US9724276B2 · kind B2 · utility

15Cited by

94References

16Claims

0Family size

Assignee

Valspar Sourcing, Inc. · US

Inventors

Jeffrey Niederst · Leechburg, US
Richard H. Evans · Wexford, US
Robert M. O'Brien · Waynesburg, US
Kevin Romagnoli · Pittsburgh, US
Carl Cavallin · Albertville, US
T. Howard Killilea · Minneapolis, US
Mark S. Von Maier · Zelienople, US

Key dates

Filing date	Mar 15, 2013
Grant date	Aug 8, 2017
Priority date	—
Expiry date	Mar 18, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P1/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Dental materials may be made from polyhydric phenols that are non-genotoxic and exhibit estrogenic activity less than that of bisphenol S, while exhibiting properties such as strength and flexibility comparable to those of conventional BPA-derived dental materials.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.