US3353975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low density insulation bonded with colloidal inorganic materials
Assignee: Owens Corning
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Filing: 1966-08-15
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Granted: 1967-11-21
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Expires: 1986-08-15
Abstract
No abstract record available.
Inventors
- 👤 Richard F Shannon
- 👤 Marshall C Armstrong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:55
CPC Classifications
C; C04; C04B; C04B20/00; C04B20/10; C04B20/12; C04B28/00; C04B28/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A METHOD OF PRODUCING A STRONG LIGHT WEIGHT POROUS ARTICLE OF BONDED POROUS AGGREGATE, SAID METHOD COMPRISING: WETTING FROM APPROXIMATELY 60 TO 98 PARTS BY WEIGHT OF POROUS INORGANIC SILICEOUS PARTICLES FROM THE GROUP CONSISTING OF EXPANDED PERLITE, EXPANDED VERMICULITE, GLASS FOAM, CLAY BEADS, CELLULAR PUMICE, EXPANDED CLAY, AND CELLULAR DIATOMITE WITH A LIQUID BATH OF A MATERIAL FROM THE GROUP CONSISTING OF HYDROLZED UNPOLYMERIZED ORGANO SILANES AND HYDROLYZABLE UNPOLYMERIZED ORGANO SILANES, COATING THE ORGANO SILANE WETTED PARTICLES WITH FROM APPROXIMATELY 2 TO APPROXIMATELY 40 PARTS BY WEIGHT OF AN INORGANIC BINDER DISPERSED IN WATER WHILE THE ORGANO SILANE IS IN A SUBSTANTIALLY NONPOLYMERIZED CONDITION, SAID BINDER BEING SELECTED FROM THE GROUP CONSISTING OF SILICA SOLS, ALUMINA, SOLS, MONO-ALUMINUM PHOSPHATE, MAGNESIUM OXYCHLORIDES, MAGNESIUM OXYSULFATES, MAGNESIUM OXYPHOSPHATES, AND SODIUM BOROSILICATE, MOLDING THE COATED POROUS INORGANIC SILICEOUS PARTICLES INTO AN ARTICLE, AND DRYING THE MOLDED ARTICLE AT A TEMPERATURE ABOVE APPROXIMATELY 250*F.
Claim 2
Independent Claim
150 words
A METHOD OF PRODUCING A STRONG LIGHT WEIGHT POROUS ARTICLE OF BONDED POROUS AGGREGATE, SAID METHOD COMPRISING: WETTING FROM APPROXIMATELY 60 TO 98 PARTS BY WEIGHT OF POROUS INORGANIC SILICEOUS PARTICLES FROM THE GROUP CONSISTING OF EXPANDED PERLITE, EXPANDED VERMICULITE, GLASS FOAM, CLAY BEADS, CELLULAR PUMICE, EXPANDED CLAY, AND CELLULAR DIATOMITE WITH A LIQUID BATH OF A MATERIAL FROM THE GROUP CONSISTING OF HYDROLZED UNPOLYMERIZED ORGANO SILANES AND HYDROLYZABLE UNPOLYMERIZED ORGANO SILANES, COATING THE ORGANO SILANE WETTED PARTICLES WITH FROM APPROXIMATELY 2 TO APPROXIMATELY 40 PARTS BY WEIGHT OF AN INORGANIC BINDER DISPERSED IN WATER WHILE THE ORGANO SILANE IS IN A SUBSTANTIALLY NONPOLYMERIZED CONDITION, SAID BINDER BEING SELECTED FROM THE GROUP CONSISTING OF SILICA SOLS, ALUMINA, SOLS, MONO-ALUMINUM PHOSPHATE, MAGNESIUM OXYCHLORIDES, MAGNESIUM OXYSULFATES, MAGNESIUM OXYPHOSPHATES, AND SODIUM BOROSILICATE, MOLDING THE COATED POROUS INORGANIC SILICEOUS PARTICLES INTO AN ARTICLE, AND DRYING THE MOLDED ARTICLE AT A TEMPERATURE ABOVE APPROXIMATELY 250*F.
References Cited (Backward Citations)
US3024125A
Cited
US3203813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |