Patent US902762A successfully refreshed from Google Patents.
Patent US3222211A successfully refreshed from Google Patents.
US3222211A
Expired / Lapsed
US
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Novel packaging films and processes therefor
Assignee: Millennium Petrochemicals Inc
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Filing: 1962-02-15
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Granted: 1965-12-07
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Expires: 1982-02-15
Abstract
No abstract record available.
Inventors
- 👤 Louis B Updegrove
- 👤 Edwin L Mincher
- 👤 Robert H Steiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:58
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/08; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08J7/052; C08J2323/00; C08J2323/02; C08J2323/10; C08J2323/12; C08J2427/00; C08J2427/02; C08J2427/04; C08J2427/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/31833; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31917; Y10T428/3192; Y10T428/31928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A WRAPPING FILM COMPRISING ESSENTIALLY A POLYOLEFIN SUBSTRATE PRE-COATED ON AT LEAST ONE SIDE WITH A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF A RESIN-MODIFIED RUBBER AND A SELF-CROSSLINKED ACRYLIC RESIN AND THEREAFTER COATED WITH A TOP COATING COMPOSITION COMPRISING A COPOLYMER OBTAINED FROM POLYMERIZATION OF ABOUT 80 TO 97 PERCENT OF VINYLIDENE CHLORIDE AND ABOUT 3 TO 20 PERCENT OF A POLYMERIZABLE MONOOLEFINIC MONOMER COPOLYMERIZABLE THEREWITH.
Claim 2
Dependent Claim
67 words
A WRAPPING FILM COMPRISING ESSENTIALLY A POLYOLEFIN SUBSTRATE PRE-COATED ON AT LEAST ONE SIDE WITH A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF A RESIN-MODIFIED RUBBER AND A SELF-CROSSLINKED ACRYLIC RESIN AND THEREAFTER COATED WITH A TOP COATING COMPOSITION COMPRISING A COPOLYMER OBTAINED FROM POLYMERIZATION OF ABOUT 80 TO 97 PERCENT OF VINYLIDENE CHLORIDE AND ABOUT 3 TO 20 PERCENT OF A POLYMERIZABLE MONOOLEFINIC MONOMER COPOLYMERIZABLE THEREWITH.
References Cited (Backward Citations)
CA632167A
Cited
US3101292A
Cited
US3018197A
Cited
US3075857A
Cited
US3031332A
Cited
US3079278A
Cited
US3128200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |