| SA STELLA CHEMIFA CORPORATION
74155315 08 Apr 1991 | on 21 Oct 2022
| chemicals; namely, hydrofluoric acid, ammonium fluoride, aqueous solut... Class 001 Class 001 Chemical Products SA | | | EX-LAL STELLA CHEMIFA CORPORATION
79287006 18 Mar 2020 | on 15 Dec 2020
| Etchants for use in the manufacture of semi-conductors; etchants for u... Class 001 Class 001 Chemical Products Etchants for use in the manufacture of semi-conductors; etchants for use in the manufacture of printed circuit boards; etching solutions, namely, acids for use in the manufacture of semiconductors; detergents for industrial use as part of manufacturing operations; fluorspar compounds, namely, for use in the manufacture of semiconductors; fluorine; chemicals for use in industry | | | HSN STELLA CHEMIFA CORPORATION
79268628 09 Jul 2019 | on 19 May 2020
| Etchants for use in the manufacture of semi-conductors; etchants for u... Class 001 Class 001 Chemical Products Etchants for use in the manufacture of semi-conductors; etchants for use in the manufacture of printed circuit boards; etching solutions being acids for use in the manufacture of semiconductors and printed circuit boards; detergents for industrial use as part of manufacturing operations; fluorspar compounds for use in the manufacture of semiconductors and printed circuit boards; fluorine; chemicals for use in industry | | | LA6500 BHF STELLA CHEMIFA CORPORATION
79226996 14 Nov 2017 | on 30 Oct 2018
| Etchants for use in the manufacture of semi-conductors; etchants for u... Class 001 Class 001 Chemical Products "BHF" | | | LAL STELLA CHEMIFA CORPORATION
79031145 10 Apr 2006 | on 14 Sep 2017
| Chemicals used in industry; chemicals used in manufacturing structures... Class 001 Class 001 Chemical Products Chemicals used in industry; chemicals used in manufacturing structures of semiconductors, integrated circuits, microscales and nano-scales and for acceleration of etching process and for forming patterns on a substrate; chemicals used in manufacturing semiconductors; chemical products for use in manufacture of semiconductors, namely, etchants for rinsing semiconductors; chemicals for use in the manufacture of flat panel displays for use in forming patterns on the substrates of flat panel display such as liquid crystal and electroluminescent (EL); chemicals used for manufacturing of flat panel displays; chemical etchant for use in the manufacture of flat panel displays | | | STELLA CHEMIFA STELLA CHEMIFA CORPORATION
78370971 19 Feb 2004 | on 09 Jun 2016
| chemicals, namely hydrofluoric acid ammonium fluoride, aqueous solutio... Class 001 Class 001 Chemical Products chemicals, namely hydrofluoric acid ammonium fluoride, aqueous solutions, buffered hydrogen fluoride, buffered hydrogen fluoride with surfactants, loc ammonium buffered hydrogen fluoride and low ammonium hydrogen fluoride with surfactants for use in the field of semiconductors and the surface treatment of stainless and frosted glass | | | TSL STELLA CHEMIFA CORPORATION
79146059 20 Feb 2014 | on 20 Feb 2024 | Fluorspar compounds for accumulators; fluorspar compounds; fluorine; i... Class 001 Class 001 Chemical Products Color is not claimed as a feature of the mark. | | | N A L C O N T R O L STELLA CHEMIFA CORPORATION
79344422 21 Apr 2022 | on 14 Jan 2024 | Chemical additives for use in the electrolytic solution for batteries;... Class 001 Class 001 Chemical Products Chemical additives for use in the electrolytic solution for batteries; industrial chemicals, namely, fluorspar compounds for accumulators; industrial chemicals, namely, fluorspar compounds; fluorine | | | LL BHF STELLA CHEMIFA CORPORATION
79039319 22 Feb 2007 | on 23 Feb 2017 | Chemicals used in industry; chemicals used in manufacturing structures... Class 001 Class 001 Chemical Products Chemicals used in industry; chemicals used in manufacturing structures of semiconductors, integrated circuits, microscale and nano-scale and for acceleration of etching process and for forming patterns on a substrate; chemicals used in manufacturing semiconductors; chemical cleaners, namely, etching agents for rinsing semiconductors; chemicals to be used for forming patterns on the substrates of flat panel display such as liquid crystal and electroluminescent (EL); chemicals used for manufacturing of flat panel display; chemical cleanser, namely, etching agent to be used for manufacturing of flat panel display | | | STELLA CHEMIFA STELLA CHEMIFA CORPORATION
75398742 02 Dec 1997 | on 22 Apr 1999 | CHEMICAL; NAMELY HYDROFLUORIC ACID AMMONIUM FLUORIDE, AQUEOUS SOLUTION... Class 001 Class 001 Chemical Products CHEMICAL; NAMELY HYDROFLUORIC ACID AMMONIUM FLUORIDE, AQUEOUS SOLUTIONS, BUFFERED HYDROGEN FLUORIDE, BUFFERED HYDROGEN FLUORIDE WITH SURFACTANTS, LOW AMMONIUM BUFFERED HYDROGEN FLUORIDE AND LOW AMMONIUM HYDROGEN FLUORIDE WITH SURFACTANTS FOR USE IN THE FIELD OF SEMICONDUCTORS AND THE SURFACE TREATMENT OF STAINLESS AND FROSTED GLASS | |