US2680080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Destaticized phonograph records and method for producing same
Assignee: Monsanto Chemicals Ltd
•
Filing: 1949-10-18
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Granted: 1954-06-01
•
Expires: 1969-10-18
Abstract
No abstract record available.
Inventors
- 👤 John B Eisen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:37
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/58; C; C08; C08J; C08J7/00; C08J7/04; C08J7/044; C08J7/06; C08J7/065; G11B3/68; G11B3/70; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A METHOD OF TREATING PHONOGRAPH RECORDS COMPRISING A RESINOUS BASE MATERIAL WHICH COMPRISES THOROUGHLY WETTING THE SURFACE OF SAID BASE MATERIAL WITH A SOLVENT SOLUTION OF A DESTATICIZING SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF MONOALKYL AMINES AND DIALKYL DIMETHYL AMMONIUM CHLORIDES WHEREIN THE ALKYL GROUPS ARE DERIVED FROM A MIXTURE OF ALCOHOLS CONTAINING 8% OCTYL ALCOHOL, 9% DECYL ALCOHOL 47% DODECYL ALCOHOL, 18% TETRADECYL ALCOHOL, 8% HEXADECYL ALCOHOL AND 10% OCTADECYL ALCOHOL, AND THEREAFTER DRYING SAID SURFACE, SAID SOLVENT SOLUTION CONTAINING FROM 0.5 TO 5.0%, BY WEIGHT, OF SAID DESTATICIZING SUBSTANCE.
Claim 2
Independent Claim
92 words
A METHOD OF TREATING PHONOGRAPH RECORDS COMPRISING A RESINOUS BASE MATERIAL WHICH COMPRISES THOROUGHLY WETTING THE SURFACE OF SAID BASE MATERIAL WITH A SOLVENT SOLUTION OF A DESTATICIZING SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF MONOALKYL AMINES AND DIALKYL DIMETHYL AMMONIUM CHLORIDES WHEREIN THE ALKYL GROUPS ARE DERIVED FROM A MIXTURE OF ALCOHOLS CONTAINING 8% OCTYL ALCOHOL, 9% DECYL ALCOHOL 47% DODECYL ALCOHOL, 18% TETRADECYL ALCOHOL, 8% HEXADECYL ALCOHOL AND 10% OCTADECYL ALCOHOL, AND THEREAFTER DRYING SAID SURFACE, SAID SOLVENT SOLUTION CONTAINING FROM 0.5 TO 5.0%, BY WEIGHT, OF SAID DESTATICIZING SUBSTANCE.
References Cited (Backward Citations)
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Cited
GB484434A
Cited
US2393863A
Cited
US2381020A
Cited
US2403960A
Cited
US2463282A
Cited
US2581836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |