This inventor holds 1 USPTO granted patent. Top assignee: Degussa Aktiengesellschaft. Active years: 1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1996
Title: Norbert Nimmerfroh: Inventor in Pulp Processing
Introduction
Norbert Nimmerfroh is an inventor associated with Linsengericht, Germany, and Degussa Aktiengesellschaft. His patent concerns flotation as part of a process for preparing pulp for bleaching.
Latest Patents
Nimmerfroh is credited with 1 patent: “Flotation Process for Mechanical Pulp Using a Surface Active Agent.” The invention describes subjecting unbleached pulp to flotation before bleaching. When needed, flotation can also purify circulating water by removing compounds that interfere with the process.
Career Highlights
His patent reflects work on improving pulp processing by addressing contaminants before the bleaching stage. The disclosed method applies flotation to both the pulp and, where necessary, the circulating water.
Collaborations
Nimmerfroh’s listed coworkers include Hans U. Suess and Ralf Grimmer.
Conclusion
Norbert Nimmerfroh’s recorded invention focuses on using flotation to support pulp bleaching and improve process-water quality.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile