Patent US3136663A successfully refreshed from Google Patents.
US3136663A
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US
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Compositions and methods for preservation of metals
Assignee: Kelite Corp
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Filing: 1960-10-24
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Granted: 1964-06-09
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Mcdonald Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:14
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/82; C23C22/83; C09; C09D; C09D125/00; C09D125/18; C23C22/05; C23C22/06; C23C22/07; C23C22/08; C23C22/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PROCESS FOR THE PRESERVATION OF METAL SURFACES COMPRISING THE STEPS OF APPLYING TO SUCH SURFACES AN ACIDIC AQUEOUS SOLUTION CONTAINING AN AMOUNT OF A WATERSOLUBLE INORGANIC COMPONENT SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF PHOSPHOROUS, COMPOUNDS OF MOLYBDENUM AND MIXTURES THEREOF SAID COMPONENT BEING REACTIVE WITH SAID METAL TO PROVIDE A CORROSION-RESISTANT COATING THEREON AND A MINOR PORTION OF ANANIONIC METAL REACTIVE SYNTHETIC ORGANIC POLYMER DERIVED FROM AN UNSATURATED MONOMER CAPABLE OF POLYMERIC REACTION, FOLLOWED BY THE APPLICATION OF SUCH SURFACES OF AN AQUEOUS SOLUTION CONTAINING A MINOR PROPORTION OF AN ORGANIC CATIONIC SUBSTANCE HAVING A BASIC NITROGEN ATOM EFFECTIVE TO REACT WITH SAID ANIONIC POLYMER.
Claim 2
Dependent Claim
108 words
A PROCESS FOR THE PRESERVATION OF METAL SURFACES COMPRISING THE STEPS OF APPLYING TO SUCH SURFACES AN ACIDIC AQUEOUS SOLUTION CONTAINING AN AMOUNT OF A WATERSOLUBLE INORGANIC COMPONENT SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF PHOSPHOROUS, COMPOUNDS OF MOLYBDENUM AND MIXTURES THEREOF SAID COMPONENT BEING REACTIVE WITH SAID METAL TO PROVIDE A CORROSION-RESISTANT COATING THEREON AND A MINOR PORTION OF ANANIONIC METAL REACTIVE SYNTHETIC ORGANIC POLYMER DERIVED FROM AN UNSATURATED MONOMER CAPABLE OF POLYMERIC REACTION, FOLLOWED BY THE APPLICATION OF SUCH SURFACES OF AN AQUEOUS SOLUTION CONTAINING A MINOR PROPORTION OF AN ORGANIC CATIONIC SUBSTANCE HAVING A BASIC NITROGEN ATOM EFFECTIVE TO REACT WITH SAID ANIONIC POLYMER.
References Cited (Backward Citations)
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US2644771A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |