US3297477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sealable composite sheet
Assignee: Avisun Corp
•
Filing: 1965-03-30
•
Granted: 1967-01-10
•
Expires: 1985-03-30
Abstract
No abstract record available.
Inventors
- 👤 Barkis Edward
- 👤 Thomas M Quinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:23
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/046; C08J7/052; C09; C09D; C09D193/00; C09D193/04; C08J2323/00; C08J2323/02; C08J2323/10; C08J2323/12; C08J2433/00; C08L67/00; C08L67/06; C08L93/00; C08L93/04; Y; Y10; Y10T; Y10T428/00; Y10T428/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A COMPOSITE SHEET COMPRISING AN ORIENTED THERMOPLASTIC BASE SHEET AND A COATING ON AT LEAST ONE SIDE THEREOF COMPRISING A COMPOSITION OF (1) FROM 50 TO 80%, BASED ON THE WEIGHT OF THE COMPOSITION, OF AN INTERPOLYMER OF FROM 50 TO 60 WT. PERCENT OF A C1-C4 ALKYL METHACRYLATE, FROM 50 TO 40 WT. PERCENT OF A C1-C4 ALKYL ACRYLATE AND FROM 1 TO 5 WT. PERCENT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF METHACRYLIC, ACRYLIC AND ITACONIC ACID, THE INDIVIDUAL MONOMER UNITS NOT EXCEEDING A TOTAL OF 100%; (2) FROM 50 TO 20%, BASED ON THE WEIGHT OF THE COMPOSITION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ADDUCT OF ROSIN AND AN ALPHA-BETA UNSATURATED DICARBOXYLIC ACID, AND THE PARTIAL ESTERS OF SAID ADDUCT AND A POLYHYDRIC ALCOHOL; AND (3) FROM 1 TO 5%, BASED O N THE WEIGHT OF THE COMPOSITION, OF A WAX SELECTED FROM THE GROUP CONSISTING OF PARAFFIN WAX AND MICROCRYSTALLINE HYDROCARBON WAX, THE COMPONENTS OF THE COMPOSITION NOT EXCEEDING A TOTAL OF 100% BY WEIGHT.
Claim 2
Dependent Claim
175 words
A COMPOSITE SHEET COMPRISING AN ORIENTED THERMOPLASTIC BASE SHEET AND A COATING ON AT LEAST ONE SIDE THEREOF COMPRISING A COMPOSITION OF (1) FROM 50 TO 80%, BASED ON THE WEIGHT OF THE COMPOSITION, OF AN INTERPOLYMER OF FROM 50 TO 60 WT. PERCENT OF A C1-C4 ALKYL METHACRYLATE, FROM 50 TO 40 WT. PERCENT OF A C1-C4 ALKYL ACRYLATE AND FROM 1 TO 5 WT. PERCENT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF METHACRYLIC, ACRYLIC AND ITACONIC ACID, THE INDIVIDUAL MONOMER UNITS NOT EXCEEDING A TOTAL OF 100%; (2) FROM 50 TO 20%, BASED ON THE WEIGHT OF THE COMPOSITION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ADDUCT OF ROSIN AND AN ALPHA-BETA UNSATURATED DICARBOXYLIC ACID, AND THE PARTIAL ESTERS OF SAID ADDUCT AND A POLYHYDRIC ALCOHOL; AND (3) FROM 1 TO 5%, BASED O N THE WEIGHT OF THE COMPOSITION, OF A WAX SELECTED FROM THE GROUP CONSISTING OF PARAFFIN WAX AND MICROCRYSTALLINE HYDROCARBON WAX, THE COMPONENTS OF THE COMPOSITION NOT EXCEEDING A TOTAL OF 100% BY WEIGHT.
References Cited (Backward Citations)
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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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |