Patent US4256811A successfully refreshed from Google Patents.
US4256811A
Expired / Lapsed
US
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Coating composition for steel containing zinc metal, zinc oxide, molybdenum sulfide, a resin and a solvent
Assignee: MORGANITE AUSTRALIA Pty Ltd
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Filing: 1979-07-16
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Granted: 1981-03-17
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Expires: 1999-07-16
Abstract
Abstract A coating composition which exhibits lubricating and corrosion resistance properties and is particularly suitable for coating bolts and fasteners. The composition comprises 5 to 20 parts by weight of zinc metal, 1 to 20 parts by weight of zinc oxide and 10 to 40 parts by weight molybdenum sulfide dispersed in a resin and solvent carrier such as methylated spirit and a phenolic resin.
Inventors
- 👤 Archie L. Black
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:41
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/14; B05D3/00; B05D3/10; B05D3/107; C; C09; C09D; C09D5/00; C09D5/08; C09D5/082; C09D5/084; C09D5/10; C09D5/106; C10; C10M; C10M103/00; B05D3/02; B05D3/0254; B05D5/00; B05D5/08; C10M2201/00; C10M2201/04; C10M2201/05; C10M2201/06; C10M2201/062; C10M2201/065; C10M2201/066; C10M2201/10; C10M2201/102; C10M2201/103; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2209/00; C10M2209/10; C10M2209/101; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10N; C10N2050/00; C10N2050/015; C10N2050/02; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12104; Y10T428/12111; Y10T428/12125; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
42 words
A solid lubricant and corrosion inhibiting composition comprising 5 to 20 parts by weight of zinc metal, 1 to 20 parts by weight of zinc oxide and 10 to 40 parts by weight of molybdenum sulfide dispersed in resin and solvent carrier.
Claim 2
Dependent Claim
42 words
A solid lubricant and corrosion inhibiting composition comprising 5 to 20 parts by weight of zinc metal, 1 to 20 parts by weight of zinc oxide and 10 to 40 parts by weight of molybdenum sulfide dispersed in resin and solvent carrier.
Claim 3
Dependent Claim
30 words
A composition as claimed in claim 1 in which the zinc metal is added to the composition as zinc dust and the molybdenum sulfide is added as molybdenum disulfide powder.
Claim 4
Dependent Claim
23 words
A composition as claimed in claim 1 or 2 in which the solvent is methylated spirit and the resin is a phenolic resin.
Claim 5
Dependent Claim
43 words
A steel article coated with a composition comprising 5 to 20 parts by weight of zinc metal, 1 to 20 parts by weight of zinc oxide and 10 to 40 parts by weight of molybdenum sulfide dispersed in a resin and solvent carrier.
Claim 6
Dependent Claim
43 words
A steel article coated with a composition comprising 5 to 20 parts by weight of zinc metal, 1 to 20 parts by weight of zinc oxide and 10 to 40 parts by weight of molybdenum sulfide dispersed in a resin and solvent carrier.
Claim 7
Dependent Claim
30 words
A steel article as claimed in claim 4 wherein the zinc metal of the composition is added as zinc dust and the molybdenum sulfide is added as molybdenum disulfide powder.
Claim 8
Dependent Claim
24 words
A steel article as claimed in claim 4 or claim 5 wherein the solvent is methylated spirit and the resin is a phenolic resin.
Claim 9
Dependent Claim
28 words
A steel article as claimed in claim 4 or claim 5 which has been heated for one hour at 180° C. and subsequently coated with a sealing composition.
Claim 10
Dependent Claim
25 words
A steel article as claimed in claim 6 which has been heated for one hour at 180° C. and subsequently coated with a sealing composition.
Claim 11
Dependent Claim
38 words
A steel article as claimed in claim 7 in which the sealing composition comprises a major portion of an alumino silicate clay and hydrocarbon oil mixture and a minor portion of a water repellant and a rust inhibitor.
Claim 12
Dependent Claim
38 words
A steel article as claimed in claim 8 in which the sealing composition comprises a major portion of an alumino silicate clay and hydrocarbon oil mixture and a minor portion of a water repellant and a rust inhibitor.
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) | 1984-03-16 | 1984-09-15 | 1985-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-16 | 1988-09-15 | 1989-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-16 | 1992-09-15 | 1993-03-17 | $7700.00 | Window Closed / Lapsed |