Patent · US Active

Method for producing 1,5-pentanediisocyanate in the gas phase

US10173970B2 · kind B2 · utility

0Cited by

11References

11Claims

0Family size

Assignee

Covestro Deutschland AG · DE

Inventors

Josef Sanders · Leverkusen, DE
Martin Ehrig · Leverkusen, DE
Reinhard Halpaap · Odenthal, DE
Manfred Keller-Killewald · Wasserburg am Inn, DE
Armin Schymura · Neuss, DE
Dietmar Wastian · Dormagen, DE

Key dates

Filing date	Sep 18, 2015
Grant date	Jan 8, 2019
Priority date	—
Expiry date	Sep 18, 2035

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C265/14
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a method for producing 1,5-pentanediisocyanate (PDI) by reacting 1,5-pentanediamine (PDA) with phosgene in the gas phase.

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