US3215662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing consolidated articles
Assignee: Dow Silicones Corp
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Filing: 1961-01-12
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Granted: 1965-11-02
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Expires: 1981-01-12
Abstract
No abstract record available.
Inventors
- 👤 Harold A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:06
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/40; C08; C08G; C08G77/00; C08L; C08L83/00; C08L83/04; D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/46; D21H17/59; C08G77/04; C08G77/14; C08G77/16; C08G77/20; C08G77/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A METHOD OF PREPARING AN ARTICLE OF MANUFACTURE WHICH COMPRISES (1) CONTGACTING A FILLER WITH AN AQUEOUS SOLUTION OF AN ORGANOSILICON COMPOSITION OF THE GROUP CONSISTING OF SILANOIS AND SILOXANOLS, WHICH ORGANOSILICON COMPOSITION IS IN SUCH A STATE OF MOLECULAR AGGREGATION THAT IT IS INSOLUBLE IN TOLUENE BUT SOLUBLE IN WATER AND MIXTURES OF WATER AND WATER-MISCIBLE ORGANIC LIQUIDS, AND IN WHICH ORGANOSILICON COMPOSITION THERE IS AN AVERAGE OF FROM .9 TO 1.9 SILICON BONDED HYDROCARBON RADICALS PER SI ATOM SAID RADICALS BEING SELECTED FROM THE GROUP CONSISTING OF PHENYL AND ALIPHATIC HYDROCARBON RADICALS OF LESS THAN 4 CARBON ATOMS, IN AMOUNT SUCH THAT THE FILLER PICKS UP AT LEAST 1.5 PERCENT BY WEIGHT ORGANOSILICON COMPOSITION BASED ON THE WEIGHT OF THE FILLER, AND (2) THEREAFTER CURING THE ORGANOSILICONCOMPOSITION TO CONSOLIDATE THE FILLER.
Claim 2
Independent Claim
133 words
A METHOD OF PREPARING AN ARTICLE OF MANUFACTURE WHICH COMPRISES (1) CONTGACTING A FILLER WITH AN AQUEOUS SOLUTION OF AN ORGANOSILICON COMPOSITION OF THE GROUP CONSISTING OF SILANOIS AND SILOXANOLS, WHICH ORGANOSILICON COMPOSITION IS IN SUCH A STATE OF MOLECULAR AGGREGATION THAT IT IS INSOLUBLE IN TOLUENE BUT SOLUBLE IN WATER AND MIXTURES OF WATER AND WATER-MISCIBLE ORGANIC LIQUIDS, AND IN WHICH ORGANOSILICON COMPOSITION THERE IS AN AVERAGE OF FROM .9 TO 1.9 SILICON BONDED HYDROCARBON RADICALS PER SI ATOM SAID RADICALS BEING SELECTED FROM THE GROUP CONSISTING OF PHENYL AND ALIPHATIC HYDROCARBON RADICALS OF LESS THAN 4 CARBON ATOMS, IN AMOUNT SUCH THAT THE FILLER PICKS UP AT LEAST 1.5 PERCENT BY WEIGHT ORGANOSILICON COMPOSITION BASED ON THE WEIGHT OF THE FILLER, AND (2) THEREAFTER CURING THE ORGANOSILICONCOMPOSITION TO CONSOLIDATE THE FILLER.
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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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |