US2985538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wax coating composition and coated article
Assignee: Individual
•
Filing: 1959-09-24
•
Granted: 1961-05-23
•
Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 John W Padgett
- 👤 Sherman T Van Esselstyn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:33
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/06; C09D191/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
254 words
A WAX COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF THREE HYDROCARBON CONSTITUENTS, THE FIRST OF WHICH CONSISTS OF ABOUT 65-85% BY WEIGHT OF A NON-STRAIGHT CHAIN PARAFFINIC WAX AND HAS AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF ABOUT 550-750, A SAYBOLT UNIVERSAL VISCOSITY AT 210*F. OF ABOUT 80-120 SECONDS, AN OIL CONTENT OF UP TO ABOUT 3.0%, AND A MELTING POINT BY COOLING CURVE OF FROM ABOUT 150*F. TO ABOUT 180*F., THE SECOND OF SAID CONSTITUENTS BEING COMPRISED OF ABOUT 50-95% BY WEIGHT OF A STRAIGHT CHAIN PARAFFINIC WAX AND CONTAINING ABOUT 5-50% BY WEIGHT OF A NON-STRAIGHT CHAIN PARAFFINIC WAX MATERIAL AND HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF ABOUT 400-550, A SAYBOLT UNIVERSAL VISCOSITY AT 180*F. OF ABOUT 45-65 SECONDS, AN OIL CONTENT OF UP TO ABOUT 2.0%, AND A MELTING POINT BY COOLING CURVE OF FROM ABOUT 145*F. TO ABOUT 165*F., AND THE THIRD OF SAID CONSTITUENTS CONSISTING OF 180*F. ABOUT 90% BY WEIGHT OF A STRAIGHT-CHAIN PARAFFINIC WAX AND HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF ABOUT 290-340, A SAYBOLT UNIVERSAL VISCOSITY AT 180*F. OF ABOUT 37-41 SECONDS, AN OIL CONTENT OF UP TO ABOUT 0.5%, AND A MELTING POINT BY COOLING CURVE OF FROM ABOUT 115*F. TO ABOUT 135*F., THE RATIO BY WEIGHT OF THE FIRST CONSTITUENT TO THE SECOND CONSTITUENT BEING WITHIN THE RANGE OF 1:5 TO 3:1 AND THE RATIO OF THE COMBINED WEIGHTS OF THE FIRST AND SECOND CONSTITUENTS TO THE THIRD CONSTITUENT BEING WITHIN THE RANGE OF 1:5 TO 2:1.
Claim 2
Dependent Claim
254 words
A WAX COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF THREE HYDROCARBON CONSTITUENTS, THE FIRST OF WHICH CONSISTS OF ABOUT 65-85% BY WEIGHT OF A NON-STRAIGHT CHAIN PARAFFINIC WAX AND HAS AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF ABOUT 550-750, A SAYBOLT UNIVERSAL VISCOSITY AT 210*F. OF ABOUT 80-120 SECONDS, AN OIL CONTENT OF UP TO ABOUT 3.0%, AND A MELTING POINT BY COOLING CURVE OF FROM ABOUT 150*F. TO ABOUT 180*F., THE SECOND OF SAID CONSTITUENTS BEING COMPRISED OF ABOUT 50-95% BY WEIGHT OF A STRAIGHT CHAIN PARAFFINIC WAX AND CONTAINING ABOUT 5-50% BY WEIGHT OF A NON-STRAIGHT CHAIN PARAFFINIC WAX MATERIAL AND HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF ABOUT 400-550, A SAYBOLT UNIVERSAL VISCOSITY AT 180*F. OF ABOUT 45-65 SECONDS, AN OIL CONTENT OF UP TO ABOUT 2.0%, AND A MELTING POINT BY COOLING CURVE OF FROM ABOUT 145*F. TO ABOUT 165*F., AND THE THIRD OF SAID CONSTITUENTS CONSISTING OF 180*F. ABOUT 90% BY WEIGHT OF A STRAIGHT-CHAIN PARAFFINIC WAX AND HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF ABOUT 290-340, A SAYBOLT UNIVERSAL VISCOSITY AT 180*F. OF ABOUT 37-41 SECONDS, AN OIL CONTENT OF UP TO ABOUT 0.5%, AND A MELTING POINT BY COOLING CURVE OF FROM ABOUT 115*F. TO ABOUT 135*F., THE RATIO BY WEIGHT OF THE FIRST CONSTITUENT TO THE SECOND CONSTITUENT BEING WITHIN THE RANGE OF 1:5 TO 3:1 AND THE RATIO OF THE COMBINED WEIGHTS OF THE FIRST AND SECOND CONSTITUENTS TO THE THIRD CONSTITUENT BEING WITHIN THE RANGE OF 1:5 TO 2:1.
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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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |