Patent · US Expired

Paintbrush embedment compound and paintbrush construction and method embodying same

US4525890A · kind A · utility

15Cited by

11References

22Claims

0Family size

Assignee

Henkel Limited

Inventors

Dwight E. Peerman · Minnetonka, US
H. Gorden Kanten · Minneapolis, US
Kelvin K. Bonnema · Arden Hills, US

Key dates

Filing date	Mar 4, 1983
Grant date	Jul 2, 1985
Priority date	—
Expiry date	Mar 4, 2003

Classification

Technology area (CPC A)Human Necessities
CPC primaryA46B3/12
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

An embedment compound for a paintbrush or the like, together with a paintbrush construction and method of manufacture embodying the improved embedment compound. The embedment compound is a polyurethane composition having a crosslink density sufficient to render such compound acceptably resistant to all paint solvents. For example, a typical embodiment composition comprises a blend of Mondur MR with a prepolymer prepared from Pluracol TP-440 and Isonate 143L, and the blend cured at 100.degree. C. overnight.

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