Dirk Manzel

City:

Moers

Country:

Germany

Published Applications:

Last publication date:

2021-05-20

Top Assignees for applications by Dirk Manzel

The entities that hold a legal rights for patent applications filed by inventor Manzel Dirk:

Covestro Deutschland AG 6 Leverkusen, Germany
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG 1 Leverkusen, Germany

Recent patent applications by Manzel Dirk

Dirk Manzel from Moers, DE has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2021-05-20

US20210147346A1

Chemistry; metallurgy

Production plant for producing a chemical product by reacting H-functional reactants with phosgene, and method for operating same with an interruption to production

#2 | 2020-10-22

US20200331848A1

Chemistry; metallurgy

Method for producing methylene-diphenylene-diisocyanates and polymethylene-polyphenylene-polyisocyanates

#3 | 2020-08-06

US20200246845A1

Performing operations; transporting

Method for cleaning phosgene conducting apparatus

#4 | 2019-07-11

US20190210961A1

Chemistry; metallurgy

Method for producing isocyanates

#5 | 2018-10-11

US20180290968A1

Chemistry; metallurgy

Method for producing isocyanates

#6 | 2018-09-20

US20180265457A1

Chemistry; metallurgy

Method for producing isocyanates

#7 | 2016-11-24

US20160340196A1

Chemistry; metallurgy

Method for starting up and shutting down a phosgene generator

InventorID:

1717016 ⎘