US3271332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane foam
Assignee: 3M Co
•
Filing: 1964-12-07
•
Granted: 1966-09-06
•
Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Herbert M Bond
- 👤 Jun Tomita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:39
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/02; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/12; C08J2383/00; C08J2383/04; Y; Y10; Y10S; Y10S206/00; Y10S206/819; Y10S528/00; Y10S528/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A FLUID, LOW-VISCOSITY SILOXANE COMPOSITION WHICH AUTOGENOUSLY FOAMS AND CURES AT ROOM TEMPERATURE ON THE ADDITION OF A BASIC VULCANIZATION CATALYST, EXHIBITING HIGH TACK AND ADHESIVE PROPERTIES DURING SUCH AUTOGENOUS ACTION TO PROVODE A RESULTING HEAT- AND COLD-RESISTANT, FLEXIBLE, TOUGH, RESILIENT, TACK-FREE, FOAMED STRUCTURAL PRODUCT, SAID FLUID COMPOSITION COMPRISING A MIXTURE OF (1) BETWEEN 60 AND 80 PARTS OF A DIOGRANOPOLYSILOXANE FLUID GUM ESSENTIALLY FREE OF HYDROXYL TERMINATION, HAVING A VISCOSITY OF BETWEEN 1,000 AND 50,000 CPS. AT 25*C., AND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
84 words
A FLUID, LOW-VISCOSITY SILOXANE COMPOSITION WHICH AUTOGENOUSLY FOAMS AND CURES AT ROOM TEMPERATURE ON THE ADDITION OF A BASIC VULCANIZATION CATALYST, EXHIBITING HIGH TACK AND ADHESIVE PROPERTIES DURING SUCH AUTOGENOUS ACTION TO PROVODE A RESULTING HEAT- AND COLD-RESISTANT, FLEXIBLE, TOUGH, RESILIENT, TACK-FREE, FOAMED STRUCTURAL PRODUCT, SAID FLUID COMPOSITION COMPRISING A MIXTURE OF (1) BETWEEN 60 AND 80 PARTS OF A DIOGRANOPOLYSILOXANE FLUID GUM ESSENTIALLY FREE OF HYDROXYL TERMINATION, HAVING A VISCOSITY OF BETWEEN 1,000 AND 50,000 CPS. AT 25*C., AND HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |