US4026719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur composition with mica
Assignee: Chevron USA Inc
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Filing: 1975-11-13
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Granted: 1977-05-31
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Expires: 1995-11-13
Abstract
Abstract A composition containing sulfur, a sulfur plasticizer and mica. The composition is surprisingly strong even without glass fiber in the composition. The composition can be used as a coating formulation or as a binder.
Inventors
- 👤 Milutin Simic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:57
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/12; C; C04; C04B; C04B28/00; C04B28/36; C08; C08G; C08G75/00; C08G75/14; C08G75/16; C08K; C08K3/00; C08K3/02; C08K3/06; C08K3/34; C09; C09D; C09D5/00; C09D5/34; C09K; C09K17/00; C09K17/40; C09K17/42
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
21 words
A composition comprising 50-98 weight percent sulfur, 0.2 to 20 weight percent sulfur plasticizer, and 5 to 20 weight percent mica.
Claim 2
Dependent Claim
21 words
A composition comprising 50-98 weight percent sulfur, 0.2 to 20 weight percent sulfur plasticizer, and 5 to 20 weight percent mica.
Claim 3
Dependent Claim
18 words
A composition in accordance with claim 1 wherein the amount of mica is 5 to 20 weight percent.
Claim 4
Dependent Claim
75 words
A composition in accordance with claim 1 wherein the plasticizer is an aliphatic linear polysulfide; dioctylphthalate; acrylic acid; dicyclopentadiene; tall oil fatty acids; styrene; or an aromatic polysulfide formed by reacting one mol of an aromatic carbocyclic or a heterocyclic compound, substituted by at least one functional group of the class --OH or --NHR in which R is H or lower alkyl, with at least two mols of sulfur; or mixture of the foregoing plasticizers.
Claim 5
Dependent Claim
12 words
A composition in accordance with claim 1 wherein the plasticizer is dicyclopentadiene.
Claim 6
Dependent Claim
28 words
A composition in accordance with claim 1 wherein the plasticizer is an aromatic polysulfide formed by reacting one mol of phenol with at least two mols of sulfur.
Claim 7
Dependent Claim
26 words
A composition in accordance with claim 3 wherein the plasticizer is an aliphatic polysulfide polymer which has the reoccuring unit ----SxCH.sub.2 CH.sub.2 OCH.sub.2 OCH.sub.2 CH.sub.2 Sx--
Claim 8
Dependent Claim
12 words
A composition in accordance with claim 1 wherein the mica contains potassium.
Claim 9
Dependent Claim
12 words
A composition in accordance with claim 1 wherein the mica is phlogopite.
Claim 10
Dependent Claim
12 words
A composition in accordance with claim 1 wherein the mica is muscovite.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-30 | 1980-11-29 | 1981-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-30 | 1984-11-29 | 1985-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-30 | 1988-11-29 | 1989-05-31 | $7700.00 | Window Closed / Lapsed |