Patent · US Active

Process for removal of volatile compounds from tackifiers

US11498997B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

BASF SE

Inventors

Miran Yu · Worms, DE
Ortmund Lang · Quirnbach, DE
Dieter Rodewald · Bad Essen, DE
Stephan Schlitter · Schifferstadt, DE
Guenter Scherr · Ludwigshafen, DE
Felix Alexander Westerhaus · Mannheim, DE

Key dates

Filing date	Jan 23, 2019
Grant date	Nov 15, 2022
Priority date	—
Expiry date	Jul 31, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J11/02
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Process for the removal of volatile compounds from a tackifier comprising a resin with repeating units of formula I wherein R1 is a linear or branched alkylen group with 1 to 10 carbon atoms and R2 is a linear or branched, saturated or unsaturated N aliphatic hydrocarbon group with up to 20 carbon atoms, and optionally a plasticizer, wherein the tackifier is passed through at least one evaporator as film and the volatile compounds are removed from the film.

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