Granted Patent
B1
US 9,790,607 · App. 15/666,649 · Granted Oct 17, 2017
3-(carbamoyl) pyridinium-1-YL-propane-1-sulfonates useful in electroplating baths
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Abstract
Disclosed is a chemical compound useful in a galvanic nickel or nickel alloy electroplating bath for depositing a semi-bright nickel or bright nickel alloy coating characterized in that the chemical compound has general formula IA: in which in general formula IA, R 3 and R 4 ═-CH 2 CH 3 or R 3 and R 4 taken together with the N atom form a pyrrolidine ring or a morpholine ring.
Claims (3)
1. A chemical compound having general formula IA:
wherein in general formula IA, R 3 and R 4 ═-CH 2 CH 3 or R 3 and R 4 taken together with the N atom form a pyrrolidine ring or a morpholine ring.
2. A chemical compound according to claim 1 wherein the chemical compound has one of the following formulae (II), (III) or (IV):
Assignments (2)
RELEASE OF SECURITY INTEREST
Recorded Aug 18, 2022
From: GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT
To: ATOTECH DEUTSCHLAND GMBH & CO. KG (F/K/A ATOTECH DEUTSCHLAND GMBH); ATOTECH USA, LLC
Reel/Frame 061521/0103 →
SECURITY INTEREST
Recorded Mar 18, 2021
From: ATOTECH DEUTSCHLAND GMBH; ATOTECH USA, LLC
To: GOLDMAN SACHS BANK USA, AS COLLATERAL AGENT
Reel/Frame 055650/0093 →