US3205077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated polyolefin film and moisture emitting product enclosed therein
Assignee: Millennium Petrochemicals Inc
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Filing: 1962-08-03
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Granted: 1965-09-07
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Expires: 1982-08-03
Abstract
No abstract record available.
Inventors
- 👤 John E Hammond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:28
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08J7/052; C08J7/054; C08J2323/00; C08J2323/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A POLYOLEFIN FILM HAVING AN ANTI-CLING COATING ON AT LEAST ONE SURFACE THEREOF, SAID FILM HAVING BEEN PREPARED BY EXTRUDING A POLYOLEFIN RESIN AT A TEMPERATURE BETWEEN ABOUT 550* AND 700*F., A PRESSURE BETWEEN ABOUT 1,000 AND 10,000 POUNDS PER SQUARE INCH, AND A SPEED OF AT LEAST 100 FEET PER MINUTE; SAID POLYOLEFIN BEING SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, AND COPOLYMERS THEREOF; AND SAID ANTI-CLING COATING HAVING BEEN FORMED FROM A COMPOSITION COMPRISING AN AQUEOUS BASE SOLUTION OF AT LEAST ONE ALKALI-SOLUBLE RESIN, AN INERT FINELY-DIVIDED FILLER, AND AT LEAST ONE FUSIBLE POLYMER LATEX, THE THICKNESS OF THE ANTI-CLING COATING BEING BETWEEN ABOUT 0.00002 AND 0.0005 GRAM PER SQUARE INCH.
Claim 2
Dependent Claim
114 words
A POLYOLEFIN FILM HAVING AN ANTI-CLING COATING ON AT LEAST ONE SURFACE THEREOF, SAID FILM HAVING BEEN PREPARED BY EXTRUDING A POLYOLEFIN RESIN AT A TEMPERATURE BETWEEN ABOUT 550* AND 700*F., A PRESSURE BETWEEN ABOUT 1,000 AND 10,000 POUNDS PER SQUARE INCH, AND A SPEED OF AT LEAST 100 FEET PER MINUTE; SAID POLYOLEFIN BEING SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYPROPYLENE, AND COPOLYMERS THEREOF; AND SAID ANTI-CLING COATING HAVING BEEN FORMED FROM A COMPOSITION COMPRISING AN AQUEOUS BASE SOLUTION OF AT LEAST ONE ALKALI-SOLUBLE RESIN, AN INERT FINELY-DIVIDED FILLER, AND AT LEAST ONE FUSIBLE POLYMER LATEX, THE THICKNESS OF THE ANTI-CLING COATING BEING BETWEEN ABOUT 0.00002 AND 0.0005 GRAM PER SQUARE INCH.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |