US3057756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl coating composition for flexible films
Assignee: Akzo Nobel UK PLC
•
Filing: 1959-11-23
•
Granted: 1962-10-09
•
Expires: 1979-11-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph T K Cornwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:38
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J7/00; C08J7/04; C08J7/043; C08J7/046; C08J7/048; C08J7/052; C08J2301/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31844; Y10T428/31848
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A COMPOSITE SHEET FOR WRAPPING FOOD PRODUCTS COMPRISING A CLEAR, FLEXIBLE BASE SHEET AND A COATING ON A SURFACE OF SAID BASE SHEET COMPRISING FROM ABOUT 70 TO 90% BY WEIGHT OF A MODIFIED VINYL RESIN OF FROM ABOUT 75 TO 95% OF VINYL CHLORIDE, FROM ABOUT 24 TO 4% BY WEIGHT OF VINYL ACETATE AND FROM ABOUT 4 TO ABOUT 0.2% BY WEIGHT OF AN ALIPHATIC ALPHA-BETA MONOOLEFINIC CARBOXYLIC ACID CONTAINING FROM 3 TO 5 CARBON ATOMS; FROM ABOUT 5 TO 25% BY WEIGHT OF AN ACETYLATAED TRI- (C1-C6) ALKYL CITRATAE, FROM ABOUT 2 TO 10% BY WEIGHT OF A MOISTUREPORRFING WAX, AND FROM 1 TO 10% BY WEIGHT OF A RESINOUS BLENDING AGENT CAPABLE OF PRODUCING COMPATIBILITY AMONG THE COMPONENTS OF THE COATING.
Claim 2
Dependent Claim
125 words
A COMPOSITE SHEET FOR WRAPPING FOOD PRODUCTS COMPRISING A CLEAR, FLEXIBLE BASE SHEET AND A COATING ON A SURFACE OF SAID BASE SHEET COMPRISING FROM ABOUT 70 TO 90% BY WEIGHT OF A MODIFIED VINYL RESIN OF FROM ABOUT 75 TO 95% OF VINYL CHLORIDE, FROM ABOUT 24 TO 4% BY WEIGHT OF VINYL ACETATE AND FROM ABOUT 4 TO ABOUT 0.2% BY WEIGHT OF AN ALIPHATIC ALPHA-BETA MONOOLEFINIC CARBOXYLIC ACID CONTAINING FROM 3 TO 5 CARBON ATOMS; FROM ABOUT 5 TO 25% BY WEIGHT OF AN ACETYLATAED TRI- (C1-C6) ALKYL CITRATAE, FROM ABOUT 2 TO 10% BY WEIGHT OF A MOISTUREPORRFING WAX, AND FROM 1 TO 10% BY WEIGHT OF A RESINOUS BLENDING AGENT CAPABLE OF PRODUCING COMPATIBILITY AMONG THE COMPONENTS OF THE COATING.
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) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |