US2530635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siliceous sheet material coated with plasticized organosilicon condensate
Assignee: Individual
•
Filing: 1945-07-25
•
Granted: 1950-11-21
•
Expires: 1965-07-25
Abstract
No abstract record available.
Inventors
- 👤 Frank J Sowa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:28
CPC Classifications
C; C09; C09J; C09J183/00; C09J183/04; C08; C08L; C08L2666/00; C08L2666/28; C08L2666/44; Y; Y10; Y10S; Y10S8/00; Y10S8/01; Y10T; Y10T428/00; Y10T428/28; Y10T428/2852
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
AS A NEW ARTICLE OF MANUFACTURE, A FLEXIBLE BACKING OF HIGH HEAT RESISTANT FIBROUS SILICEOUS SHEET MATERIAL COATED WITH AN ADHESIVE COMPOSITION CONTAINING AN ORGANOSILICON CONDENSATE, THE SAID ORGANOSILICON CONDENSATE CONSISTING ESSENTIALLY OF AN INCOMPLETELY CONDENSED HYDROLYSIS PRODUCT OF A COMPOUND OF THE CLASS R2SIX2, IN WHICH R IS AN ALIPHATIC HYDROCARBON RADICAL, AT LEAST ONE R HAVING A BRANCHED CHAIN, AND X IS A MATERIAL SELECTED FROMT HE GROUP CONSISTING OF HALOGEN ATOMS AND ALKOXY GROUPS, AND CONTAINING AS A PLASTICIZER A LIQUID ORGANOSILICON COMPOUND SELECTED FROMT HE GROUP CONSISTING OF MONO- AND DI-FLUORO SLKYL SILANES IN WHICH THE SUM OF THE CARBON ATOMS IN THE ALKYL GROUPS EXCEEDS 7.
Claim 2
Dependent Claim
111 words
AS A NEW ARTICLE OF MANUFACTURE, A FLEXIBLE BACKING OF HIGH HEAT RESISTANT FIBROUS SILICEOUS SHEET MATERIAL COATED WITH AN ADHESIVE COMPOSITION CONTAINING AN ORGANOSILICON CONDENSATE, THE SAID ORGANOSILICON CONDENSATE CONSISTING ESSENTIALLY OF AN INCOMPLETELY CONDENSED HYDROLYSIS PRODUCT OF A COMPOUND OF THE CLASS R2SIX2, IN WHICH R IS AN ALIPHATIC HYDROCARBON RADICAL, AT LEAST ONE R HAVING A BRANCHED CHAIN, AND X IS A MATERIAL SELECTED FROMT HE GROUP CONSISTING OF HALOGEN ATOMS AND ALKOXY GROUPS, AND CONTAINING AS A PLASTICIZER A LIQUID ORGANOSILICON COMPOUND SELECTED FROMT HE GROUP CONSISTING OF MONO- AND DI-FLUORO SLKYL SILANES IN WHICH THE SUM OF THE CARBON ATOMS IN THE ALKYL GROUPS EXCEEDS 7.
References Cited (Backward Citations)
US2439689A
Cited
US2317891A
Cited
US2258218A
Cited
US2386466A
Cited
US2258220A
Cited
US2386793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |