EP0347924A1
Expired / Lapsed
EP
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Use of halogenated hydrocarbon solvents as cleaning agents
Assignee: AGC Inc
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Filing: 1989-06-22
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Granted: —
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Expires: 2009-06-22
Abstract
Abstract A solvent consisting essentially of a compound of the formula: CH a Cl b F c CF₂CH x Cl y F z (I) wherein a + b + c = 3, x + y + z = 3, a + x ≧ 1, b + y ≧ 1, and 0 ≦ a, b, c, x, y, z ≦ 3.
Inventors
- 👤 Teruo Asano
- 👤 Naohiro Watanabe
- 👤 Kazuki Jinushi
- 👤 Shunichi Samejima
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 09:29
CPC Classifications
C; C11; C11D; C11D7/00; C11D7/50; B; B01; B01D; B01D12/00; C07; C07C; C07C19/00; C07C19/08; C07C19/10; C11D3/00; C11D3/43; C11D7/5004; C11D7/5018; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02809; C23G5/02825; C23G5/02841; F; F26; F26B; F26B5/00; F26B5/005; G; G03; G03F; G03F7/00; G03F7/26; G03F7/30; G03F7/32; G03F7/325; G03F7/42; G03F7/422; G03F7/426; C11D7/22; C11D7/24; C11D7/26; C11D7/264; C11D7/266; C11D7/28
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
59 words
A solvent consisting essentially of a compound of the formula: CH a Cl b F c CF₂CH x Cl y F z (I) wherein a + b + c = 3, x + y + z = 3, a + x ≧ 1, b + y ≧ 1, and 0 ≦ a, b, c, x, y, z ≦ 3.
Claim 2
Dependent Claim
59 words
A solvent consisting essentially of a compound of the formula: CH a Cl b F c CF₂CH x Cl y F z (I) wherein a + b + c = 3, x + y + z = 3, a + x ≧ 1, b + y ≧ 1, and 0 ≦ a, b, c, x, y, z ≦ 3.
Claim 3
Dependent Claim
63 words
The solvent according to Claim 1, which consists essentially of from 10 to 100% by weight of said compound of the formula I, from 0 to 80% by weight of an organic solvent selected from the group consisting of a hydrocarbon, an alcohol, a ketone, a chlorinated hydrocarbon, an ester, an aromatic compound, and from 0 to 10% by weight of a surfactant.
Claim 4
Dependent Claim
15 words
The solvent according to Claim 1, wherein the compound of the formula I is CF₃CF₂CHCℓ₂.
Claim 5
Dependent Claim
17 words
The solvent according to Claim 1, wherein the compound of the formula I is CCℓF₂CF₂CHCℓF or CHF₂CF₂CH₂Cℓ.
Claim 6
Dependent Claim
59 words
Use of a compound of the formula: CH a Cl b F c CF₂CH x Cl y F z (I) wherein a + b + c = 3, x + y + z = 3, a + x ≧ 1, b + y ≧ 1, and 0 ≦ a, b, c, x, y, z ≦ 3, as a solvent.
Claim 7
Dependent Claim
59 words
Use of a compound of the formula: CH a Cl b F c CF₂CH x Cl y F z (I) wherein a + b + c = 3, x + y + z = 3, a + x ≧ 1, b + y ≧ 1, and 0 ≦ a, b, c, x, y, z ≦ 3, as a solvent.
Claim 8
Dependent Claim
13 words
The use according to Claim 5, wherein the solvent is a cleaning solvent.
Claim 9
Dependent Claim
36 words
The use according to Claim 5, wherein the cleaning solvent is a cleaning agent for dry cleaning, a degreasing agent, a cleaning agent for removing a buffing agent, a flux cleaning agent or a rinsing agent.
Claim 10
Dependent Claim
19 words
The use according to Claim 5, wherein the solvent is a resist developing agent or a resist removing agent.
Claim 11
Dependent Claim
31 words
The use according to Claim 5, wherein the solvent is a solvent for removing deposited water, a solvent for extraction, a diluent, a solvent for an aerosol, or an insulating medium.
Claim 12
Dependent Claim
18 words
The use according to Claim 5, wherein the compound of the formula I is CF₂CF₂CHCℓ₂, CCℓF₂CF₂CHCℓF or CHF₂CF₂CH₂Cℓ.
References Cited (Backward Citations)
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