US3241983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion-proofing composition
Assignee: Lubrizol Corp
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Filing: 1963-01-22
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Granted: 1966-03-22
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Expires: 1983-01-22
Abstract
No abstract record available.
Inventors
- 👤 Bretz John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:09
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/02; C23C22/04; C09; C09D; C09D129/00; C09D129/02; C09D129/06; C09D129/08; C09D5/00; C09D5/08; C09D5/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A LIQUID CORROSION-PROOFING COMPOSITION ADAPTED TO FORM A PROTECTIVE COATING ON METAL ARTICLES WHICH COMPRISES THE COMBINATION OF: (A) FROM ABOUT 0.05 TO ABOUT 20 PARTS BY WEIGHT OF THE PRODUCT OBTAINED BY MIXING ONE MOLE OF AT LEAST ONE ALIPHATIC AMINE CONTAINING FROM ABOUT 6 TO 30 CARBONATOMS WITH FROM ABOUT 0.25 TO ABOUT 2 MOLES OF AQUEOUS CHROMIC ACID AND HEATING THE MIXTURE TO REMOVE SUBSTANTIALLY ALL WATER PRESENT, AND (B) 1 PART BY WEIGHT OF AN ACYLATED ORGANIC PHOSPHATE COMPLEX PREPARED BY THE PROCESS WHICH COMPRISES THE REACTION OF; (A) ONE MOLE OF A PHOSPHORUS-CONTAINING REAGENT SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS PENTOXIDE AND PHOSPHORIC ACIDS, (B) FROM ABOUT 0.2 TO ABOUT 5 MOLES OF A COPOLYMER OF ALLYL ALCOHOL AND A STYRENE, (C) FROM ABOUT 0.5 TO ABOUT 5 MOLES OF AN ALKYLPHENOL, AND (D) FROM ABOUT 0.5 TO ABOUT 4 MOLES PER MOLE OF (B) EMPLOYED OF AN UNSATURATED ALIPHATIC MONOCARBOXYLIC ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF HIGH MOLECULAR WEIGHT UNSATURATED ALIPHATIC MONOCARBOXYLIC ACIDS CONTAINING AT LEAST ABOUT 12 CARBONATOMS AND ESTERS OF SUCH ACIDS, AT A TEMPERATURE WITHIN THE RANGE FROM ABOUT 50*C. TO ABOUT 300*C. FOR ABOUT 0.5 TO ABOUT 30 HOURS.
Claim 2
Dependent Claim
202 words
A LIQUID CORROSION-PROOFING COMPOSITION ADAPTED TO FORM A PROTECTIVE COATING ON METAL ARTICLES WHICH COMPRISES THE COMBINATION OF: (A) FROM ABOUT 0.05 TO ABOUT 20 PARTS BY WEIGHT OF THE PRODUCT OBTAINED BY MIXING ONE MOLE OF AT LEAST ONE ALIPHATIC AMINE CONTAINING FROM ABOUT 6 TO 30 CARBONATOMS WITH FROM ABOUT 0.25 TO ABOUT 2 MOLES OF AQUEOUS CHROMIC ACID AND HEATING THE MIXTURE TO REMOVE SUBSTANTIALLY ALL WATER PRESENT, AND (B) 1 PART BY WEIGHT OF AN ACYLATED ORGANIC PHOSPHATE COMPLEX PREPARED BY THE PROCESS WHICH COMPRISES THE REACTION OF; (A) ONE MOLE OF A PHOSPHORUS-CONTAINING REAGENT SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS PENTOXIDE AND PHOSPHORIC ACIDS, (B) FROM ABOUT 0.2 TO ABOUT 5 MOLES OF A COPOLYMER OF ALLYL ALCOHOL AND A STYRENE, (C) FROM ABOUT 0.5 TO ABOUT 5 MOLES OF AN ALKYLPHENOL, AND (D) FROM ABOUT 0.5 TO ABOUT 4 MOLES PER MOLE OF (B) EMPLOYED OF AN UNSATURATED ALIPHATIC MONOCARBOXYLIC ACID COMPOUND SELECTED FROM THE GROUP CONSISTING OF HIGH MOLECULAR WEIGHT UNSATURATED ALIPHATIC MONOCARBOXYLIC ACIDS CONTAINING AT LEAST ABOUT 12 CARBONATOMS AND ESTERS OF SUCH ACIDS, AT A TEMPERATURE WITHIN THE RANGE FROM ABOUT 50*C. TO ABOUT 300*C. FOR ABOUT 0.5 TO ABOUT 30 HOURS.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |