US4182690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion breaking material
Assignee: Teijin Ltd
•
Filing: 1977-11-11
•
Granted: 1980-01-08
•
Expires: 1997-11-11
Abstract
Abstract An emulsion breaking material comprising a substrate and one or more organic compounds closely adhered thereto composed of (A) a hydrophobic part consisting of hydrocarbon groups having a total carbon number of 6 to 60 and (B) a hydrophilic part consisting of at least one functional group containing at least one atom selected from the group of nitrogen, sulfur, and oxygen.
Inventors
- 👤 Hideaki Suzuki
- 👤 Tomoyoshi Ono
- 👤 Wataru Yamamoto
- 👤 Masahiro Yamaguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:01
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/0202; B01D17/04; B01D17/045; B01D17/047; C; C02; C02F; C02F1/00; C02F1/68; C02F1/681
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
69 words
An emulsion breaking material comprising a substrate and one or more water-insoluble organic compounds physically bound thereto without chemical bonding composed of (A) a hydrophobic part consisting of hydrocarbon groups having a total carbon number of 6 to 60 and (B) a hydrophilic part consisting of at least one functional group selected from the group consisting of amine, imino, sulfonamido, hydrazido, thiourea residue, thiol residue, hydroxyl, carboxyl and urethane.
Claim 2
Dependent Claim
69 words
An emulsion breaking material comprising a substrate and one or more water-insoluble organic compounds physically bound thereto without chemical bonding composed of (A) a hydrophobic part consisting of hydrocarbon groups having a total carbon number of 6 to 60 and (B) a hydrophilic part consisting of at least one functional group selected from the group consisting of amine, imino, sulfonamido, hydrazido, thiourea residue, thiol residue, hydroxyl, carboxyl and urethane.
Claim 3
Dependent Claim
24 words
An emulsion breaking material of claim 1 wherein the substrate is fibrous material made of polyamide, polyester, polyolefin, or a polymer of vinyl compound.
Claim 4
Dependent Claim
15 words
An emulsion breaking material of claim 1 wherein the substrate is material made of polyolefin.
Claim 5
Dependent Claim
16 words
An emulsion breaking material of claim 1 wherein the organic compound is solid at 25° C.
Claim 6
Dependent Claim
48 words
An emulsion breaking material of claim 1 wherein the organic compound contains one or more hydrocarbon groups having a total carbon number of 12 to 36 and one or more of at least one functional group selected from the group consisting of amine, imino, sulfonamido, and hydrazido groups.
Claim 7
Dependent Claim
49 words
An emulsion breaking material of claim 1 wherein the organic compound contains one or more hydrocarbon groups having a total carbon number of 12 to 36 and one or more of at least one functional group selected from the group consisting of thiourea residue, thiol residue, and sulfonamido group.
Claim 8
Dependent Claim
49 words
An emulsion breaking material of claim 1 wherein the organic compound contains one or more hydrocarbon groups having a total carbon number of 12 to 36 and one or more of at least one functional group selected from the group consisting of hydroxyl group, carboxyl group, and urethane group.
Claim 9
Dependent Claim
13 words
An emulsion breaking material of claim 4 wherein the organic compound is stearylamine.
Claim 10
Dependent Claim
16 words
An emulsion breaking material of claim 2, wherein the substrate is fibrous material made of polyolefin.
Claim 11
Dependent Claim
15 words
An emulsion breaking material of claim 1, wherein said substrate is a water-insoluble inorganic material.
Claim 12
Dependent Claim
15 words
An emulsion breaking material of claim 1, wherein said substrate is a water-insoluble organic material.
Claim 13
Dependent Claim
36 words
An emulsion breaking material of claim 1, wherein said organic compound is bound to said substrate by contacting a solution of said organic compound in a solvent with the substrate and evaporating the solvent to dryness.
Claim 14
Dependent Claim
17 words
An emulsion breaking material of claim 1, wherein said functional group contains at least one nitrogen atom.
Claim 15
Dependent Claim
17 words
An emulsion breaking material of claim 1, wherein said functional group contains at least one sulfur atom.
Claim 16
Dependent Claim
17 words
An emulsion breaking material of claim 1, wherein said functional group contains at least one oxygen atom.
Claim 17
Dependent Claim
28 words
An emulsion breaking material of claim 1, wherein said hydrophobic part and said hydrophilic part are balanced in said organic compound to jointly produce an emulsion breaking effect.
References Cited (Backward Citations)
US2246842A
Cited
US2805977A
Cited
US2907717A
Cited
US3152196A
Cited
US3145146A
Cited
US3697306A
Cited
DE2632197A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-01-07 | 1983-07-09 | 1984-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-07 | 1987-07-09 | 1988-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-07 | 1991-07-09 | 1992-01-08 | $7700.00 | Window Closed / Lapsed |