US2850406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated polymeric terephthalate ester film
Assignee: NAT STARCH PRODUCTS Inc
•
Filing: 1955-05-04
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Granted: 1958-09-02
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Expires: 1975-05-04
Abstract
No abstract record available.
Inventors
- 👤 Gold Samuel
- 👤 Davis Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:26
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; C08J7/043; C08J7/052; C08J2367/00; C08J2367/02; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2813; Y10T428/2817; Y10T428/2826; Y10T428/31504; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A LINEAR POLYMERIC TEREPHTHALATE ESTER FLM COATED WITH A CLEAR, FLEXIBLE, DRIED, NON-TACKY AND HEAT-SAEL COATING COMPRISING SAID TEREPHTHALATE ESTER FILM BASE AND AN APPLIED COATING, SAID COATING CONSISTING ESSENTIALLY OF A FIRST RESIN SELECTED FROM THE CLASS CONSISTING OF POLYVINYL ALKYL ETHERS, BUTADIENE-ACRYLONITRILE COPOLYMERS COPOLYMERS OF ALKYL ACRYLATES WITH ACRYLONITRILE, AND LOW MOLECULAR WEIGHT POLYAMIDE RESINS DERIVED FROM THE CONDENSATION OF POLYMERIZED UNSATURATED FATTY ACIDS WITH ALIPHATIC POLYAMINES, ADMIXED WTH A SECOND RESIN SELECTED FROM THE CLASS CONSISTING OF VINYL ACETATE-CHLORIDE COPOLYMERS AND VINYLIDENE CHLORIDE-ACRYLONITRILE COPOLYMERS, THE SECOND RESIN BEING PREENT TO AT LEAST TWICE THE AMOUNT OF SAID FIRST RESIN.
Claim 2
Dependent Claim
102 words
A LINEAR POLYMERIC TEREPHTHALATE ESTER FLM COATED WITH A CLEAR, FLEXIBLE, DRIED, NON-TACKY AND HEAT-SAEL COATING COMPRISING SAID TEREPHTHALATE ESTER FILM BASE AND AN APPLIED COATING, SAID COATING CONSISTING ESSENTIALLY OF A FIRST RESIN SELECTED FROM THE CLASS CONSISTING OF POLYVINYL ALKYL ETHERS, BUTADIENE-ACRYLONITRILE COPOLYMERS COPOLYMERS OF ALKYL ACRYLATES WITH ACRYLONITRILE, AND LOW MOLECULAR WEIGHT POLYAMIDE RESINS DERIVED FROM THE CONDENSATION OF POLYMERIZED UNSATURATED FATTY ACIDS WITH ALIPHATIC POLYAMINES, ADMIXED WTH A SECOND RESIN SELECTED FROM THE CLASS CONSISTING OF VINYL ACETATE-CHLORIDE COPOLYMERS AND VINYLIDENE CHLORIDE-ACRYLONITRILE COPOLYMERS, THE SECOND RESIN BEING PREENT TO AT LEAST TWICE THE AMOUNT OF SAID FIRST RESIN.
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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |