US2528606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding powder containing organosiloxane resin and ethanolamine
Assignee: Dow Silicones Corp
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Filing: 1946-04-16
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Granted: 1950-11-07
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Expires: 1966-04-16
Abstract
No abstract record available.
Inventors
- 👤 William W Pedersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:43
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/17; C08K9/00; C08K9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A MOLDING POWDER COMPOSED OF AN INORGANIC FILLER, AN ORGANOSILOXANE RESIN IN WHICH THE ORGANIC GROUPS ARE METHYL AND PHENYL RADICALS, AND AN ETHANOLAMINE IN AMOUNT FROM 0.4% TO 5.0% BY WEIGHT OF SAID SILOXANE, SAID RESIN CONTAINING BETWEEN 0.5 AND 1.4 ORGANIC GROUPS PER SILICON ATOM, AND BEING IN A PARTIALLY CONDENSED STATE, AND SAID INORGANIC FILLER BEING COATED WITH THE RESIN.
Claim 2
Dependent Claim
63 words
A MOLDING POWDER COMPOSED OF AN INORGANIC FILLER, AN ORGANOSILOXANE RESIN IN WHICH THE ORGANIC GROUPS ARE METHYL AND PHENYL RADICALS, AND AN ETHANOLAMINE IN AMOUNT FROM 0.4% TO 5.0% BY WEIGHT OF SAID SILOXANE, SAID RESIN CONTAINING BETWEEN 0.5 AND 1.4 ORGANIC GROUPS PER SILICON ATOM, AND BEING IN A PARTIALLY CONDENSED STATE, AND SAID INORGANIC FILLER BEING COATED WITH THE RESIN.
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) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |