Patent · US Active

Methods for synthesizing stannous pyrophosphate

US11110042B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Colgate-Palmolive Company · US

Inventors

Zhigang Hao · Bound Brook, US
Paul Thomson · Piscataway, US
Long Pan · Somerville, US
Tatiana Brinzari · Piscataway, US
Guofeng Xu · Plainsboro, US
Sergio Leite · Kendall Park, US
Yu Wang · Edison, US

Key dates

Filing date	Mar 17, 2020
Grant date	Sep 7, 2021
Priority date	—
Expiry date	Mar 17, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/92
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed herein are improved methods for the synthesis of stannous pyrophosphate, as well as improved methods for the manufacture of oral care compositions comprising stannous pyrophosphate.

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