IP Library › Granted Patent US 9,409,121
Granted Patent B2
US 9,409,121 · App. 13/980,914 · Granted Aug 9, 2016

Solvent, process for providing an absorption liquid, use of the solvent and process for activating the solvent

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 9,409,121
App. No.
13/980,914
Granted
Aug 9, 2016
Kind
B2
Abstract

A solvent for selective absorption of CO 2 from the flue gas from a combustion plant is provided. The solvent includes an aqueous solution of a secondary amino acid salt as an active scrubbing substance and an additive, the additive including a primary amino acid salt. A process for providing an absorption liquid is also provided as well as a process for activating a solvent.

Claims (5)

1. A solvent comprising:

an aqueous solution of a secondary amino acid salt; and

an activating additive,

wherein the activating additive comprises a primary amino acid salt,

wherein the ratio between secondary amino acid salt and primary amino acid salt is between 95:5 and 99:1.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 15, 2021
From: SIEMENS AKTIENGESELLSCHAFT
To: SIEMENS ENERGY GLOBAL GMBH & CO. KG
Reel/Frame 055950/0027 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 22, 2013
From: FISCHER, BJOERN; JOH, RALPH; SCHILLGALIES, INGO; SCHNEIDER, RUEDIGER
To: SIEMENS AKTIENGESELLSCHAFT
Reel/Frame 030845/0667 →