US3032528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicone elastomers
Assignee: Wacker Chemie AG
•
Filing: 1960-02-05
•
Granted: 1962-05-01
•
Expires: 1980-02-05
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 14:36
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C08G77/14; C08G77/16; C08G77/70; C08L; C08L21/00; C08L83/00; C08L83/04; C08L83/08; Y; Y10; Y10S; Y10S528/00; Y10S528/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A ROOM TEMPERATURE VULCANIZING SILICONE RUBBER STOCK CONSISTING ESSENTIALLY OF A MIXTURE OF (1) 100 PARTS BY WEIGHT OF A SILOXANE POLYMER OF THE GENERAL FORMULA R''R2SIO(R2SIO)XSIR2R'' WHEREIN EACH R IS SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBON RADICALS AND HALOGENATED MONOVALENT HYDROCARBON RADICALS, EACH R'' IS SELECTED FROM THE GROUP CONSISTING OF HYDROXYL RADICALS, HYDROGEN ATOMS, AND ALKOXY RADICALS, AND X HAS AN AVERAGE VALUE OF FROM 50 TO 10,000, AND (2) .05 TO 2.0 PARTS BY WEIGHT OF AN AMINOSILICON COMPOSITION SELECTED FROM THE GROUP CONSISTING OF (A) AMINOSILANES OF THE FORMULA R"NSI(NY2)4-N WHERE EACH R" IS SELECTED FROM THE GROUP CONSISTING OF ALKYL RADICALS, ARYL RADICALS, AND ARALKYL RADICALS, EACH Y IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN ATOMS, ALKYL RADICALS, ARYL RADICALS AND ARALKYL RADICALS AND N HAS A VALUE OF 0 TO 1 INCLUSIVE, AND (B) AMINOSILAZANES OF THE FORMULA
Claim 2
Dependent Claim
147 words
A ROOM TEMPERATURE VULCANIZING SILICONE RUBBER STOCK CONSISTING ESSENTIALLY OF A MIXTURE OF (1) 100 PARTS BY WEIGHT OF A SILOXANE POLYMER OF THE GENERAL FORMULA R''R2SIO(R2SIO)XSIR2R'' WHEREIN EACH R IS SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBON RADICALS AND HALOGENATED MONOVALENT HYDROCARBON RADICALS, EACH R'' IS SELECTED FROM THE GROUP CONSISTING OF HYDROXYL RADICALS, HYDROGEN ATOMS, AND ALKOXY RADICALS, AND X HAS AN AVERAGE VALUE OF FROM 50 TO 10,000, AND (2) .05 TO 2.0 PARTS BY WEIGHT OF AN AMINOSILICON COMPOSITION SELECTED FROM THE GROUP CONSISTING OF (A) AMINOSILANES OF THE FORMULA R"NSI(NY2)4-N WHERE EACH R" IS SELECTED FROM THE GROUP CONSISTING OF ALKYL RADICALS, ARYL RADICALS, AND ARALKYL RADICALS, EACH Y IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN ATOMS, ALKYL RADICALS, ARYL RADICALS AND ARALKYL RADICALS AND N HAS A VALUE OF 0 TO 1 INCLUSIVE, AND (B) AMINOSILAZANES OF THE FORMULA
References Cited (Backward Citations)
US2938010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |