Photoresist remover

Patent metadata

Field	Value
Publication number	US-12325844-B2
Application number	US-202017753529-A
Country	US
Kind code	B2
Filing date	Sep 28, 2020
Priority date	Sep 30, 2019
Publication date	Jun 10, 2025
Grant date	Jun 10, 2025

Abstract

Cleaning compositions and the method of using the same are disclosed, where the compositions include one or more alkanolamines, one or more ether alcohol solvents or aromatic containing alcohol, one or more corrosion inhibitors, and optionally one or more secondary solvents.

First claim

What is claimed is:

1. A cleaning composition comprising:
(i) about 10 wt % to about 30 wt % of one or more alkanolamines comprising monoethanolamine,
(ii) about 50 wt % to about 90 wt % of one or more ether alcohol solvents or aromatic containing alcohol comprising diethylene glycol monobutyl ether, and
(iii) about 0.25 wt % to about 2 wt % of a mixture of two or more corrosion inhibitors consisting of (i) a first corrosion inhibitor comprising a copper salt and (ii) a second corrosion inhibitor selected from the group consisting of sebacic acid, catechol, resorcinol, glycerol, sorbitol and 8-hydroxyquinoline,
wherein the composition comprises less than about 0.1 wt % of water and is free of quaternary ammonium compounds and DMSO.

2. The composition of claim 1 , wherein the composition comprises about 15 wt % of 1,2-alkanolamine.

3. The composition of claim 1 , wherein the one or more alkanolamines consists of

4. The composition of claim 1 , wherein the one or more alkanolamines comprises one or more of, N-methylethanolamine, N-ethylethanolamine, N-propylethanolamine, N-butylethanolamine, diethanolamine, triethanolamine, N-methyldiethanolamine, N-ethyldiethanolamine, isopropanolamine, diisopropanolamine, triisopropanolamine, N-methylisopropanolamine, N-ethylisopropanolamine, N-propylisopropanolamine, 2-aminopropane-1-ol, N-methyl-2-aminopropane-1-ol, N-ethyl-2-aminopropane-1-ol, 1-aminopropane-3-ol, N-methyl-1-aminopropane-3-ol, N-ethyl-1-aminopropane-3-ol, 1-aminobutane-2-ol, N-methyl-1-aminobutane-2-ol, N-ethyl-1-aminobutane-2-ol, 2-aminobutane-1-ol, N-methyl-2-aminobutane-1-ol, N-ethyl-2-aminobutane-1-ol, 3-aminobutane-1-ol, N-methyl-3-aminobutane-1-ol, N-ethyl-3-aminobutane-1-ol, 1-aminobutane-4-ol, N-methyl-1-aminobutane-4-ol, N-ethyl-1-aminobutane-4-ol, 1-amino-2-methylpropane-2-ol, 2-amino-2-methylpropane-1-ol, 1-aminopentane-4-ol, 2-amino-4-methylpentane-1-ol, 2-aminohexane-1-ol, 3-aminoheptane-4-ol, 1-aminooctane-2-ol, 5-aminooctane-4-ol, 1-aminopropane-2,3-diol, 2-aminopropane-1,3-diol, tris(oxymethyl)aminomethane, 1,2-diaminopropane-3-ol, 1,3-diaminopropane-2-ol, and 2-(2-aminoethoxy)ethanol.

5. The composition of claim 1 , wherein the one or more ether alcohol solvents or aromatic containing alcohol further comprises one or more of, diethylene glycol methyl ether, diethylene glycol ethyl ether, diethylene glycol propyl ether, propylene glycol methyl ether, dipropylene glycol methyl ether, propylene glycol propyl ether, dipropylene glycol propyl ether, propylene glycol phenyl ether, propylene glycol n-butyl ether, dipropylene glycol n-butyl ether, ethylene glycol propyl ether, ethylene glycol butyl ether, ethylene glycol phenyl ether, tripropylene glycol methyl ether, dipropylene glycol dimethyl ether, diethylene glycol methyl ethyl ether, diethylene glycol dimethyl ether, diethylene glycol diethyl ether, diethylene glycol (DEG), or dipropylene glycol, 3-methoxy-3-methyl-1-butanol (MMB), furfurylalcohol, tetrahydrofurfuryl alcohol, benzyl alcohol, benzyl ethanol and benzyl propanol.

6. The composition of claim 1 , wherein the one or more ether alcohol solvents or aromatic containing alcohol further comprises one or more glycol ether.

7. The composition of claim 1 , wherein the one or more ether alcohol solvents or aromatic containing alcohol further comprises one or more alcohol having an ether group.

8. The composition of claim 1 , wherein the one or more ether alcohol solvents or aromatic containing alcohol further comprises one or more alkanol substituted benzene.

9. The composition of claim 1 , wherein the one or more ether alcohol solvents or aromatic containing alcohol comprises about 55 wt % to about 90 wt % of the composition.

10. The composition of claim 1 , wherein the mixture of two or more corrosion inhibitors comprises about 1 wt % of the composition.

11. The composition of claim 1 , wherein the copper salt is one or more of copper (II) nitrate, copper (II) bromide, copper (II) chlorate, copper (II) chloride, copper (II) fluorosilicate, copper (II) formate, copper (II) selenite, copper (II) sulfate and copper(II) nitrate hemi(pentahydrate).

12. The composition of claim 1 , wherein the mixture of two or more corrosion inhibitors comprises about 0.5 wt % to about 1.5 wt % of one or a combination of catechol, resorcinol and sebacic acid.

13. The composition of claim 1 , wherein the mixture of two or more corrosion inhibitors comprises about 0.5 wt % to about 1.5 wt % of resorcinol.

14. The composition of claim 1 , wherein the mixture of two or more corrosion inhibitors comprises a copper nitrate salt and resorcinol.

15. The composition of claim 1 , wherein the mixture of two or more corrosion inhibitors comprises a copper nitrate salt.

16. The composition of claim 1 , further comprising one or more of ethylene glycol, 1,2-propanediol, 1,3-propanediol, 1,2,3-propanetriol, 1,2-butanediol, 1,3-propanediol, 2,3-butanediol, 1,4-butanediol, 1,2,3-butanetriol, 1,2,4-butanetriol, 1,2-pentanediol, 1,3-pentanediol, 1,4-pentandiol, 2,3-pentanediol, 2,4-pentandiol, 3,4-pentanediol, 1,2,3-pentanetriol, 1,2,4-pentanetriol, 1,2,5-pentanetriol, 1,3,5-pentanetriol, etohexadiol, p-methane-3,8-polyhydroxyl compound, 2-methyl-2,4-pentanediol, 2,2-dimethyl-1,3-propanediol, glycerin, trimethylolpropane, xylitol, arabitol, 1,2-cyclopentanediol, 1,3-cyclopentanediol, 1,2-cyclohexanediol, 1,3-cyclohexanediol, 2,3-norbornanediol, 1,8-octanediol, 1,2-cyclohexane-dimethanol, 1,3-cyclohexanedimethanol, 1,4-cyclohexanedimethanol, 2,2,4-trimethyl-1,3-pentanediol, hydroxypivalyl hydroxypivalate, 2-methyl-1,3-propanediol, 2-butyl-2-ethyl-1,3-propanediol, 2-ethyl-2-isobutyl-1,3-propanediol, 1,6-hexanediol, 2,2,4,4-tetramethyl-1,6-hexanediol, 1,10-decanediol, 1,4-benzenedimethanol, hydrogenated bisphenol A, 1,1,1-trimethylol propane, 1,1,1-trimethylolethane, pentaerythritol, erythritol, threitol and dipentaerythritol.

17. The composition of claim 1 further comprising about 10 wt % to about 50 wt % of a secondary solvent that is one or more of a linear aliphatic alcohol, a branched chain aliphatic alcohol and an aromatic alcohol.

18. The composition of claim 1 further comprising about 10 wt % to about 50 wt % of a secondary solvent that is one or more of methanol, ethanol, propanol, isopropyl alcohol, butanol, tert-butyl alcohol, tert-amyl alcohol, 3-methyl-3-pentanol, 1-octanol, 1-decanol, 1-undecanol, 1-dodecanol, 1-tridecanol, 1-tetradecanol, 1-pentadecanol, 1-hexadecanol, 9-hexadecen-1-ol, 1-heptadecanol, 1-octadecanol, 1-nonadecanol, 1-eicosanol, 1-heneicosanol, 1-docosanol, 13-docosen-1-ol, 1-tetracosanol, 1-hexacosanol, 1-heptacosanol, 1-octacosanol, 1-triacontanol, 1-dotriacontanol, 1-tetratriacontanol, cetearyl alcohol, propylene glycol and ethylene glycol.

Assignees

• Versum Mat Us Llc

Inventors

• Cao Yuanmei
• Phenis Michael
• Wang Lili
• Sun Laisheng
• Wu Aiping

Classifications

• H10P50/287

  by chemical means · CPC title

• C11D3/43

  Solvents · CPC title

• C11D3/28

  Heterocyclic compounds containing nitrogen in the ring · CPC title

• C11D3/3445

  containing sulfino groups, e.g. dimethyl sulfoxide · CPC title

• C11D3/2079

  Monocarboxylic acids-salts thereof · CPC title