Patent US2662072A successfully refreshed from Google Patents.
US3357930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive transparent materials
Assignee: Individual
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Filing: 1963-12-09
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Granted: 1967-12-12
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Expires: 1983-12-09
Abstract
No abstract record available.
Inventors
- 👤 Alvin M Marks
- 👤 Mortimer M Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:42
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A TRANSPARENT, ELECTRICALLY CONDUCTIVE FILM COMPOSITION CONSISTING ESSENTIALLY OF: (A) 10-65% BY WEIGHT OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ALCOHOL, AGAR, CARBOXYMETHYLCELLULOSE, POLYVINYL ACETAL, POLYVINYL ACETATE, POLYVINYL BUTYRAL, POLYVINYL FORMAL, POLYMETHYL METHACRYLATE AND POLYETHYL ACRYLATE, (B) 25-60% BY WEIGHT OF A PLASTICIZER DISSOLVED IN SAID POLYMER SELECTED FROM THE GROUP CONSISTING OF GLYCERINE, ETHYLENE GLYCOL, DIETHYLENE GLYCOL, TRIETHYLENE GLYCOL, PHOSPHORIC ACID AND ISO-ERYTHRITOL, (C) 5-50% BY WEIGHT OF AN IONIZABLE COMPOUND MATERIAL SELECTED FROM THE GROUP CONSISTING OF PHOSPHORIC ACID, OXALIC ACID, THE HALIDES, SULFATES, CARBONATES, THIOCYANATES, DIHYDROGEN PHOSPHATES, NITRATES AND OXALATES OF THE ALKALI METALS AMMONIA, THE ALKALINE EARTH METALS, MAGNESIUM, THE HYDROXIDES OF SODIUM, POTASSIUM AND LITHIUM, (D) UP TO 50% BY WEIGHT OF A CROSS-LINKING AGENT FOR SAID POLYMER, (E) 5-25% BY WEIGHT OF A SOLVENT, SAID PERCENTAGED BEING BASED ON THE TOTAL WEIGHT OF THE COMPOSITION.
Claim 2
Dependent Claim
144 words
A TRANSPARENT, ELECTRICALLY CONDUCTIVE FILM COMPOSITION CONSISTING ESSENTIALLY OF: (A) 10-65% BY WEIGHT OF A POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ALCOHOL, AGAR, CARBOXYMETHYLCELLULOSE, POLYVINYL ACETAL, POLYVINYL ACETATE, POLYVINYL BUTYRAL, POLYVINYL FORMAL, POLYMETHYL METHACRYLATE AND POLYETHYL ACRYLATE, (B) 25-60% BY WEIGHT OF A PLASTICIZER DISSOLVED IN SAID POLYMER SELECTED FROM THE GROUP CONSISTING OF GLYCERINE, ETHYLENE GLYCOL, DIETHYLENE GLYCOL, TRIETHYLENE GLYCOL, PHOSPHORIC ACID AND ISO-ERYTHRITOL, (C) 5-50% BY WEIGHT OF AN IONIZABLE COMPOUND MATERIAL SELECTED FROM THE GROUP CONSISTING OF PHOSPHORIC ACID, OXALIC ACID, THE HALIDES, SULFATES, CARBONATES, THIOCYANATES, DIHYDROGEN PHOSPHATES, NITRATES AND OXALATES OF THE ALKALI METALS AMMONIA, THE ALKALINE EARTH METALS, MAGNESIUM, THE HYDROXIDES OF SODIUM, POTASSIUM AND LITHIUM, (D) UP TO 50% BY WEIGHT OF A CROSS-LINKING AGENT FOR SAID POLYMER, (E) 5-25% BY WEIGHT OF A SOLVENT, SAID PERCENTAGED BEING BASED ON THE TOTAL WEIGHT OF THE COMPOSITION.
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |