US3271177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wax compositions and coated articles
Assignee: Fort James Corp
•
Filing: 1965-04-30
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Granted: 1966-09-06
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Expires: 1985-04-30
Abstract
No abstract record available.
Inventors
- 👤 George G Rumberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:59
CPC Classifications
C; C09; C09D; C09D191/00; C09D191/06; C09D191/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49336
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A COMPOSITION SUITABLE FOR COATING AND LAMINATING SHEET MATERIALS CONSISTING ESSENTIALLY OF A PETROLEUM WAX BASE IN AN AMOUNT OF ABOUT 55 TO 96.5 PARTS, A HYDROUS ADSORBENT INORGANIC POWDER, CAPABLE OF A DECREASE OF PORE DIAMETER UPON DEHYDRATION, IN AN AMOUNT OF ABOUT THREE TO ABOUT THIRTY PARTS, AND A SURFACE ACTIVATOR WHICH IS A FATTY ACID AMIDE HAVING AT LEAST ONE ALIPHATIC GROUP OF AT LEAST 8 CARBON ATOMS IN AN AMOUNT OF ABOUT ONE-HALF TO ABOUT FIFTEEN PARTS, SAID COMPOSITION RESULTING FROM THE ADMIXTURE OF THE NAMED INGREDIENTS UNDER CONDITIONS WHICH OPERATE TO EXPEL WATER OF HYDRATION OF THE HYDROUS ADSORBENT POWDER IN THE PRESENCE OF THE WAX BASE AND THE SURFACE ACTIVATOR, AND CHARACTERIZED BY A THIOXTROPIC VISCOSITY OF FROM ABOUT 100 TO ABOUT 10,000,000 CENTIPOISES WHEN MEASURED AT ABOUT 220*F. TO ABOUT 170*F. WITH A ROTATIONAL VISCOMETER AT A SPINDLE SPEED OF LESS THAN TEN R.P.M.
Claim 2
Dependent Claim
151 words
A COMPOSITION SUITABLE FOR COATING AND LAMINATING SHEET MATERIALS CONSISTING ESSENTIALLY OF A PETROLEUM WAX BASE IN AN AMOUNT OF ABOUT 55 TO 96.5 PARTS, A HYDROUS ADSORBENT INORGANIC POWDER, CAPABLE OF A DECREASE OF PORE DIAMETER UPON DEHYDRATION, IN AN AMOUNT OF ABOUT THREE TO ABOUT THIRTY PARTS, AND A SURFACE ACTIVATOR WHICH IS A FATTY ACID AMIDE HAVING AT LEAST ONE ALIPHATIC GROUP OF AT LEAST 8 CARBON ATOMS IN AN AMOUNT OF ABOUT ONE-HALF TO ABOUT FIFTEEN PARTS, SAID COMPOSITION RESULTING FROM THE ADMIXTURE OF THE NAMED INGREDIENTS UNDER CONDITIONS WHICH OPERATE TO EXPEL WATER OF HYDRATION OF THE HYDROUS ADSORBENT POWDER IN THE PRESENCE OF THE WAX BASE AND THE SURFACE ACTIVATOR, AND CHARACTERIZED BY A THIOXTROPIC VISCOSITY OF FROM ABOUT 100 TO ABOUT 10,000,000 CENTIPOISES WHEN MEASURED AT ABOUT 220*F. TO ABOUT 170*F. WITH A ROTATIONAL VISCOMETER AT A SPINDLE SPEED OF LESS THAN TEN R.P.M.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |