Patent US3222210A successfully refreshed from Google Patents.
US3222210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefin packaging film
Assignee: Millennium Petrochemicals Inc
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Filing: 1962-08-03
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Granted: 1965-12-07
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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 19:20
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/048; C08J7/052; C08J7/054; C08J2323/00; C08J2323/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/3175; Y10T428/31754; Y10T428/31844; Y10T428/31855; Y10T428/31931; Y10T428/31935; Y10T428/31938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A POLYOLEFIN FILM HAVING ON AT LEAST ONE SIDE AN ANTI-CLING COATING FORMED FROM A COPOSITION CONSISTING ESSENTIALLY OF AT LEAST ONE ALKALI-SOLUBLE RESIN SELECTED FROM THE GROUP CONSISTING OF SHELLAC, MANILA LOBA GUM, GUM ACCROIDES, ROSIN-MALEIC ACID, ROSIN-FUMARIC ACID ADDUCTS, ROSIN-FUMARIC ACID ADDUCTS MODIFIED WITH POLYHYDRIC ALCOHOLS, ZEIN, POLYVINYL ACETATE-CROTONIC ACID COPOLYMERS, POLYACRYLIC ESTER ACID COPOLYMERS, AND MIXTURES THEREOF. AT LEAST ONE INERT FINELY DIVIDED FILLER, AND AT LEAST ONE FUSIBLE POLYMER LATEX SELECTED FROM THE GROUP CONSISTING OF UNPLASTICIZED POLYVINYL CHLORIDE LATEX; EMULSIONS OF UNOXIDIZED POLYETHYLENE; POLYSTYRENE, POLYACRYLATE, AND METHACRYLATE LATEXES; STYRENE-BUTADIENE COPOLYMERS; AND MIXTURES THEREOF, SAID INERT FILLER BEING PRESENT IN AN AMOUNT BETWEEN 20 AND 150 PARTS PER HUNDRED PARTS OF SAID RESIN AND SAID FUSIBLE POLYMER LATEX BEING PRESENT IN AN AMOUNT BETWEEN ABOUT 1 AND 60 PARTS PER HUNDRED PARTS OF SAID RESIN.
Claim 2
Dependent Claim
139 words
A POLYOLEFIN FILM HAVING ON AT LEAST ONE SIDE AN ANTI-CLING COATING FORMED FROM A COPOSITION CONSISTING ESSENTIALLY OF AT LEAST ONE ALKALI-SOLUBLE RESIN SELECTED FROM THE GROUP CONSISTING OF SHELLAC, MANILA LOBA GUM, GUM ACCROIDES, ROSIN-MALEIC ACID, ROSIN-FUMARIC ACID ADDUCTS, ROSIN-FUMARIC ACID ADDUCTS MODIFIED WITH POLYHYDRIC ALCOHOLS, ZEIN, POLYVINYL ACETATE-CROTONIC ACID COPOLYMERS, POLYACRYLIC ESTER ACID COPOLYMERS, AND MIXTURES THEREOF. AT LEAST ONE INERT FINELY DIVIDED FILLER, AND AT LEAST ONE FUSIBLE POLYMER LATEX SELECTED FROM THE GROUP CONSISTING OF UNPLASTICIZED POLYVINYL CHLORIDE LATEX; EMULSIONS OF UNOXIDIZED POLYETHYLENE; POLYSTYRENE, POLYACRYLATE, AND METHACRYLATE LATEXES; STYRENE-BUTADIENE COPOLYMERS; AND MIXTURES THEREOF, SAID INERT FILLER BEING PRESENT IN AN AMOUNT BETWEEN 20 AND 150 PARTS PER HUNDRED PARTS OF SAID RESIN AND SAID FUSIBLE POLYMER LATEX BEING PRESENT IN AN AMOUNT BETWEEN ABOUT 1 AND 60 PARTS PER HUNDRED PARTS OF SAID RESIN.
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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 |