US3388101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicon-containing polyurethanes
Assignee: PPG Industries Inc
•
Filing: 1964-10-23
•
Granted: 1968-06-11
•
Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 Wismer Marco
- 👤 Vernon G Ammons
- 👤 Gerald W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:41
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/61; C08G18/08; C08G18/10; C08G18/30; C08G18/38; C08G18/3893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A POLYURETHANE PRODUCED BY RACTING AN ORGANIC POLYISOCYANATE WITH THE REACTION PRODUCT OF (A) AN ORGANOSILOANE OF THE FORMULA
Claim 2
Dependent Claim
19 words
A POLYURETHANE PRODUCED BY RACTING AN ORGANIC POLYISOCYANATE WITH THE REACTION PRODUCT OF (A) AN ORGANOSILOANE OF THE FORMULA
References Cited (Backward Citations)
US2917480A
Cited
US2932586A
Cited
US3194773A
Cited
US3042657A
Cited
GB875109A
Cited
US3145185A
Cited
US3032530A
Cited
US3164557A
Cited
US3054759A
Cited
US3179713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |