US2695276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polysiloxane resin compositions
Assignee: Honeywell International Inc
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Filing: 1951-07-11
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Granted: 1954-11-23
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Expires: 1971-07-11
Abstract
No abstract record available.
Inventors
- 👤 David B Hatcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:10
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/42; C08G59/00; C08G59/14; C08G59/1494; C08G59/18; C08G59/20; C08G59/22; C08G59/30; C08G59/302; C08L; C08L63/00; C08L63/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A SYNTHETIC RESIN THAT IS AN ESTER (1) A SUBSTANCE WHOSE MOLECULE CONTAINS AT LEAST ONE SILICON ATOM TO WHICH AT LEAST ONE HYDROXY GROUP IS ATTACHED, AND TO WHICH AT LEAST ONE HYDROCARBON GROUP IS ATTACHED BY A CARBONSILICON LINKAGE, WITH (2) A FATTY ACID-MODIFIED CONDENSATION POLYMER OF THE CLASS CONSISTING OF REACTION PRODUCTS OF (A) AN EPIHALOHYDRIN IN WHICH THE HALOGEN ATOM HAS AN ATOMIC WEIGHT BETWEEN 35 AND 80 WITH (B) A DIHYDRIC PHENOL, AND REACTION PRODUCTS (A) SUCH AS EPIHALOHYDRIN WITH (B) A SULFONAMIDE WHOSE MOLECULE HAS AT LEAST TWO HYDROGEN ATOMS EACH CONNECTED TO A SULFONAMIDE NITROGEN ATOM, THE AMOUNT OF SUBSTANCE (1), ON A FULLY CONDENSED BASIS, BEING FROM 25 TO 75 PER CENT OF THE TOTAL WEIGHT OF THE SYNTHETIC RESIN.
Claim 2
Dependent Claim
128 words
A SYNTHETIC RESIN THAT IS AN ESTER (1) A SUBSTANCE WHOSE MOLECULE CONTAINS AT LEAST ONE SILICON ATOM TO WHICH AT LEAST ONE HYDROXY GROUP IS ATTACHED, AND TO WHICH AT LEAST ONE HYDROCARBON GROUP IS ATTACHED BY A CARBONSILICON LINKAGE, WITH (2) A FATTY ACID-MODIFIED CONDENSATION POLYMER OF THE CLASS CONSISTING OF REACTION PRODUCTS OF (A) AN EPIHALOHYDRIN IN WHICH THE HALOGEN ATOM HAS AN ATOMIC WEIGHT BETWEEN 35 AND 80 WITH (B) A DIHYDRIC PHENOL, AND REACTION PRODUCTS (A) SUCH AS EPIHALOHYDRIN WITH (B) A SULFONAMIDE WHOSE MOLECULE HAS AT LEAST TWO HYDROGEN ATOMS EACH CONNECTED TO A SULFONAMIDE NITROGEN ATOM, THE AMOUNT OF SUBSTANCE (1), ON A FULLY CONDENSED BASIS, BEING FROM 25 TO 75 PER CENT OF THE TOTAL WEIGHT OF THE SYNTHETIC RESIN.
References Cited (Backward Citations)
US2569920A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |