US2768906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of producing wax-coated wrappers having a silicone anti-blocking layer
Assignee: Milprint Inc
•
Filing: 1953-05-18
•
Granted: 1956-10-30
•
Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
- 👤 Albert L James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:05
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08J7/052; C08J2301/00; C08J2301/06; C08J2491/00; C08J2491/06; Y; Y10; Y10S; Y10S206/00; Y10S206/819
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
THE METHOD OF PRODUCING A PROTECTIVE COMMODITY WRAPPER, WHICH COMPRISES, ADVANCING A RELATTIVELY DURABLE BUT FLEXIBLE BASE SHEET, APPLYING A CONTINUOUS COATING COMPRISING A MICROCRYSTALLINE WAX COMPOSITION WHILE IN PLASTIC CONDITION TO A SURFACE OF THE ADVANCING BASE SHEET, THEREAFTER COOLING THE ADVANCING WEB BELOW THE FREEZING POINT OF THE WAX COATING, THEN TOTALLY IMMERSING THE ADVANCING COATED AND COOLED SHEET IN A BATH OF EMULSIFIED SILICONE GREASE, AND FINALLY REMOVING THE EXCESS SILICONE EMULSION FROM THE SHEET BY WIPING THE SAME UNDER SUFFICIENT RESILIENT PRESSURE APPLIED SIMULTANEOUSLY FROM OPPOSITE SIDES THEREOF TO LEAVE A THIN CONTINUOUS FILM THEREOF OVER AT LEAST THE EXPOSED SURFACE OF THE WAX COATING.
Claim 2
Independent Claim
109 words
THE METHOD OF PRODUCING A PROTECTIVE COMMODITY WRAPPER, WHICH COMPRISES, ADVANCING A RELATTIVELY DURABLE BUT FLEXIBLE BASE SHEET, APPLYING A CONTINUOUS COATING COMPRISING A MICROCRYSTALLINE WAX COMPOSITION WHILE IN PLASTIC CONDITION TO A SURFACE OF THE ADVANCING BASE SHEET, THEREAFTER COOLING THE ADVANCING WEB BELOW THE FREEZING POINT OF THE WAX COATING, THEN TOTALLY IMMERSING THE ADVANCING COATED AND COOLED SHEET IN A BATH OF EMULSIFIED SILICONE GREASE, AND FINALLY REMOVING THE EXCESS SILICONE EMULSION FROM THE SHEET BY WIPING THE SAME UNDER SUFFICIENT RESILIENT PRESSURE APPLIED SIMULTANEOUSLY FROM OPPOSITE SIDES THEREOF TO LEAVE A THIN CONTINUOUS FILM THEREOF OVER AT LEAST THE EXPOSED SURFACE OF THE WAX COATING.
References Cited (Backward Citations)
US1759124A
Cited
US1972448A
Cited
US2159152A
Cited
US2322048A
Cited
US2227787A
Cited
US2282375A
Cited
US2449572A
Cited
US2431873A
Cited
US2654681A
Cited
US2588367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |