Patent US745911A successfully refreshed from Google Patents.
Patent US3207611A successfully refreshed from Google Patents.
US3207611A
Expired / Lapsed
US
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Coating composition
Assignee: Lubrizol Corp
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Filing: 1962-01-03
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Granted: 1965-09-21
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Expires: 1982-01-03
Abstract
No abstract record available.
Inventors
- 👤 Irwin R Ehren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:58
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/226; C; C09; C09D; C09D5/00; C09D5/08; C09D5/10; C09D5/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A FLUID COMPOSITION ADAPTED TO FORM A PROTECTIVE COATING ON METALS WHICH CONTAINS AS ESSENTIAL INGREDIENTS: (A) FROM ABOUT 300 TO ABOUT 450 PARTS OF FINELY DIVIDED ZINC, (B) FROM ABOUT 5 TO ABOUT 70 PARTS OF A METAL-CONTAINING ORGANIC PHOSPHATE COMPLEX PREPARED BY THE PROCESS WHICH COMPRISES THE REACTION OF (I) A POLYVALENT METAL SALT OF THE ACID PHOSPHATE ESTERS DERIVED FROM THE REACTION OF A PHOSPHORUSCONTAINING REAGENT SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS PENTASULFIDE AND PHOSPHORUS PENTOXIDE WITH A MIXTURE OF MONOHYDRIC AND POLYHYDRIC ALCOHOLS, AND (II) AT LEAST ABOUT 0.1 EQUIVALENT OF AN ORGANIC EPOXIDE HAVING FROM 2 TO ABOUT 37 CARBON ATOMS, AND (C) FROM ABOUT 6 TO ABOUT 80 PARTS OF A METAL-FREE ORGANIC PHOSPHATE COMPLEX PREPARED BY THE PROCESS WHICH COMPRISES MIXING ONE MOLE OF PHOSPHORUS PENTOXIDE, FROM ABOUT 0.2 TO ABOUT 12.5 MOLES OF A COPOLYMER OF ALLYL ALCOHOL AND A STYRENE, AND FROM ABOUT 0.3 TO ABOUT 5.0 MOLES OF AN ALKYLPHENOL, AND HEATING SAID MIXTURE AT A TEMPERATURE WITHIN THE RANGE FROM ABOUT 75*C. TO ABOUT 150*C.
Claim 2
Dependent Claim
177 words
A FLUID COMPOSITION ADAPTED TO FORM A PROTECTIVE COATING ON METALS WHICH CONTAINS AS ESSENTIAL INGREDIENTS: (A) FROM ABOUT 300 TO ABOUT 450 PARTS OF FINELY DIVIDED ZINC, (B) FROM ABOUT 5 TO ABOUT 70 PARTS OF A METAL-CONTAINING ORGANIC PHOSPHATE COMPLEX PREPARED BY THE PROCESS WHICH COMPRISES THE REACTION OF (I) A POLYVALENT METAL SALT OF THE ACID PHOSPHATE ESTERS DERIVED FROM THE REACTION OF A PHOSPHORUSCONTAINING REAGENT SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS PENTASULFIDE AND PHOSPHORUS PENTOXIDE WITH A MIXTURE OF MONOHYDRIC AND POLYHYDRIC ALCOHOLS, AND (II) AT LEAST ABOUT 0.1 EQUIVALENT OF AN ORGANIC EPOXIDE HAVING FROM 2 TO ABOUT 37 CARBON ATOMS, AND (C) FROM ABOUT 6 TO ABOUT 80 PARTS OF A METAL-FREE ORGANIC PHOSPHATE COMPLEX PREPARED BY THE PROCESS WHICH COMPRISES MIXING ONE MOLE OF PHOSPHORUS PENTOXIDE, FROM ABOUT 0.2 TO ABOUT 12.5 MOLES OF A COPOLYMER OF ALLYL ALCOHOL AND A STYRENE, AND FROM ABOUT 0.3 TO ABOUT 5.0 MOLES OF AN ALKYLPHENOL, AND HEATING SAID MIXTURE AT A TEMPERATURE WITHIN THE RANGE FROM ABOUT 75*C. TO ABOUT 150*C.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |