US3085026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impregnated corrugated paperboard and process of making same
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1960-09-28
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Granted: 1963-04-09
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Expires: 1980-09-28
Abstract
No abstract record available.
Inventors
- 👤 George A Weisgerber
- 👤 Herman L Thwaites
- 👤 Jr Harry M Farnham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:25
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/60; C; C08; C08L; C08L91/00; C08L91/06; C08L91/08; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/06; C09D191/00; C09D191/06; C09D191/08; D21H17/20; D21H17/33; D21H17/34; D21H17/35; C08L23/00; C08L23/02; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24694; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
AN IMPROVED ARTICLE OF MANUFACTURE COMPRISING A CORRUGATED PAPERBOARD ESSENTIALLY UNIFORMLY IMPERGNATED WITH A COMPOSITION COMPRISING A BLEND OF AT LEAST 60% BY WEIGHT OF A REFINED CRYSTALLINE PARAFFIN WAX CONTAINING NO MORE THAN 0.5% BY WEIGHT OF OIL AND MELTING BETWEEN ABOUT 120* TO 180*F., A MICROCRYSTALLINE WAX MELTING ABOVE 160*F. IN AN AMOUNT UP TO 30% BY WEIGHT, A POLYOLEFIN HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF 1,500 TO 20,000 IN AN AMOUNT UP TO 8% BY WEIGHT AND FROM 1 TO 15% BY WEIGHT OF A SOLID POLYMER RESIN HAVING A SOFTENING POINT OF AT LEAST 158*F., SAID RESIN BEING SELECTED FROM THE GROUP CONSISTING OF PETROLEUM POLYMER RESINS AND STYRENE POLYMER RESINS; SAID COMPOSITION CONSTITUTING FROM 26 TO 37% OF THE TOTAL WEIGHT OF THE IMPREGNATED PAPERBOARD.
Claim 2
Dependent Claim
133 words
AN IMPROVED ARTICLE OF MANUFACTURE COMPRISING A CORRUGATED PAPERBOARD ESSENTIALLY UNIFORMLY IMPERGNATED WITH A COMPOSITION COMPRISING A BLEND OF AT LEAST 60% BY WEIGHT OF A REFINED CRYSTALLINE PARAFFIN WAX CONTAINING NO MORE THAN 0.5% BY WEIGHT OF OIL AND MELTING BETWEEN ABOUT 120* TO 180*F., A MICROCRYSTALLINE WAX MELTING ABOVE 160*F. IN AN AMOUNT UP TO 30% BY WEIGHT, A POLYOLEFIN HAVING AN AVERAGE MOLECULAR WEIGHT IN THE RANGE OF 1,500 TO 20,000 IN AN AMOUNT UP TO 8% BY WEIGHT AND FROM 1 TO 15% BY WEIGHT OF A SOLID POLYMER RESIN HAVING A SOFTENING POINT OF AT LEAST 158*F., SAID RESIN BEING SELECTED FROM THE GROUP CONSISTING OF PETROLEUM POLYMER RESINS AND STYRENE POLYMER RESINS; SAID COMPOSITION CONSTITUTING FROM 26 TO 37% OF THE TOTAL WEIGHT OF THE IMPREGNATED PAPERBOARD.
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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |