US2632736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifoaming composition
Assignee: Dow Chemical Co
•
Filing: 1946-08-22
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Granted: 1953-03-24
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Expires: 1966-08-22
Abstract
No abstract record available.
Inventors
- 👤 Chester C Currie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:07
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004; B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; B01D19/0409; C08; C08G; C08G77/00; C08G77/04; C08G77/06; C08K; C08K3/00; C08K3/34; C08K3/36; C09; C09D; C09D7/00; C09D7/40; C09D7/65; C08L; C08L83/00; C08L83/04; Y; Y10; Y10S; Y10S159/00; Y10S159/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
AN ANTI-FOAM COMPOSITION COMPRISING AN INTIMATE ADMIXTURE OF A VISCOUS STRINGY SEMIRUBBERY, HEAT-TREATED, AIR-BLOWN DIMETHYL SILOXANE POLYMER AND SILCIA AEROGEL.
Claim 2
Dependent Claim
20 words
AN ANTI-FOAM COMPOSITION COMPRISING AN INTIMATE ADMIXTURE OF A VISCOUS STRINGY SEMIRUBBERY, HEAT-TREATED, AIR-BLOWN DIMETHYL SILOXANE POLYMER AND SILCIA AEROGEL.
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) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |