Patent DE2947985A1 successfully refreshed from Google Patents.
US3082526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and materials for filling dental roots
Assignee: Wacker Chemie AG
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Filing: 1960-06-17
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Granted: 1963-03-26
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Expires: 1980-06-17
Abstract
No abstract record available.
Inventors
- 👤 Nitzsche Siegfried
- 👤 Wick Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:56
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; A; A61; A61K; A61K6/00; A61K6/50; A61K6/54; A61K6/90; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/22; C08G77/24; C08G77/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A METHOD EMPLOYING SILICONE RUBBER IN ODONTOLOGY THE IMPROVEMENT CONSISTING OF (1) EMPLOYING AS THE ODONTOLOGICAL MATERIAL A MIXTURE CONSISTING ESSENTIALLY OF (A) 100 PARTS BY WEIGHT OF AN HYDROXYL ENDBLOCKED DIORGANOSILOXANE OF THE FORMULA HO(R2SIO)NH WHERE EACH R IS AN ORGANIC SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBON RADICALS, HALOGENATED MONOVALENT HYDROCARBON RADICALS AND CYANOALKYL RADICALS AND N IS AN INTEGER OF AT LEAST 5 AND (B) 0.1 TO 10 PARTS BY WEIGHT OF A SILANE OF THE FORMULA RSI(OAC)3 WHERE R IS AS ABOVE DEFINED AND EACH AC IS A SATURATED ALIPHATIC MONOACYL RADICAL DERIVED FROM A CARBOXYLIC ACID AND (2) PERMITTING THE MIXTURE TO COME INTO CONTACT ACID WATER TO SECURE CURING TO AN ELASTOMERIC PRODUCT.
Claim 2
Dependent Claim
122 words
IN A METHOD EMPLOYING SILICONE RUBBER IN ODONTOLOGY THE IMPROVEMENT CONSISTING OF (1) EMPLOYING AS THE ODONTOLOGICAL MATERIAL A MIXTURE CONSISTING ESSENTIALLY OF (A) 100 PARTS BY WEIGHT OF AN HYDROXYL ENDBLOCKED DIORGANOSILOXANE OF THE FORMULA HO(R2SIO)NH WHERE EACH R IS AN ORGANIC SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBON RADICALS, HALOGENATED MONOVALENT HYDROCARBON RADICALS AND CYANOALKYL RADICALS AND N IS AN INTEGER OF AT LEAST 5 AND (B) 0.1 TO 10 PARTS BY WEIGHT OF A SILANE OF THE FORMULA RSI(OAC)3 WHERE R IS AS ABOVE DEFINED AND EACH AC IS A SATURATED ALIPHATIC MONOACYL RADICAL DERIVED FROM A CARBOXYLIC ACID AND (2) PERMITTING THE MIXTURE TO COME INTO CONTACT ACID WATER TO SECURE CURING TO AN ELASTOMERIC PRODUCT.
References Cited (Backward Citations)
US2154413A
Cited
US2843555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |