US2825656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic sheeting, etc.
Assignee: Acordis UK Ltd
•
Filing: 1954-07-23
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Granted: 1958-03-04
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Expires: 1974-07-23
Abstract
No abstract record available.
Inventors
- 👤 Walker Eric Eaton
- 👤 Shaw Michael Pearman
- 👤 Fisher Valentine Wilfred Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:03
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/0091
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A SOLID COMPOSITION CONTAINING A PLASTICIZED THERMOPLASTIC SUBSTITUTION DERIVATIVE OF CELLULOSE, TITANIUM DIOXIDE AND AS STABILIZER AGAINST THE DETRIORATING EFFECT OF OUTDOOR EXPOSURE A MIXTURE OF A WATER-INSOLUBLE METALLIC CHROMATE AND A POLYCYCLIC NITROGENOUS COMPOUND CONTAINING CHELATE RINGS IN WHICH A CO-VALENTLY LINKED ATOM OF A METALLIC ELEMENT OF VALENCY GREATER THAN ONE IS CO-ORDINATED WITH A NITROGEN ATOM THAT FORMS PART OF A SYSTEM OF CONJUGATED DOUBLE BONDS.
Claim 2
Dependent Claim
69 words
A SOLID COMPOSITION CONTAINING A PLASTICIZED THERMOPLASTIC SUBSTITUTION DERIVATIVE OF CELLULOSE, TITANIUM DIOXIDE AND AS STABILIZER AGAINST THE DETRIORATING EFFECT OF OUTDOOR EXPOSURE A MIXTURE OF A WATER-INSOLUBLE METALLIC CHROMATE AND A POLYCYCLIC NITROGENOUS COMPOUND CONTAINING CHELATE RINGS IN WHICH A CO-VALENTLY LINKED ATOM OF A METALLIC ELEMENT OF VALENCY GREATER THAN ONE IS CO-ORDINATED WITH A NITROGEN ATOM THAT FORMS PART OF A SYSTEM OF CONJUGATED DOUBLE BONDS.
References Cited (Backward Citations)
GB282980A
Cited
US2086714A
Cited
US2170658A
Cited
GB466490A
Cited
US2315870A
Cited
US2330251A
Cited
US2330254A
Cited
US2602756A
Cited
US2615860A
Cited
US2739139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |