US2676898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating glass fiber bats with resin and product
Assignee: Owens Corning
•
Filing: 1950-07-22
•
Granted: 1954-04-27
•
Expires: 1970-07-22
Abstract
No abstract record available.
Inventors
- 👤 Charles J Folger
- 👤 Richard M Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:30
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/34; C08; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/14; Y; Y10; Y10T; Y10T428/00; Y10T428/249921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A METHOD OF BONDING GLASS FIBERS, ARRANGED IN A HELTER-SKELTER FASHION, ONE TO ANOTHER AT THEIR INTERSECTIONS TO FORM AN INTEGRAL BAT CONSISTING OF: CATALYZING A PHENOL ALDEHYDE POLYMERIZATION REACTION TO THE "A" STAGE, NEUTRALIZING THE CATALYST WITH A REACTANT, SPRAYING THE "A" STAGE POLYMER ONTO THE FIBERS, AND ADVANCING THE POLYER TO THE "C" STAGE BY HEATING TO FORM A DRIED DEPOSIT COMPRISING BOTH THE PHENOL ALDEHYDE RESIN AND THE SALT FOMED BY NEUTRALIZING SAID CATALYST WITH SAID REACTANT, SAID CATALYST BEING AN ALKALINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF SODIUM HYDROXIDE, POTASSIUM HYDROXIDE, CALCIUM HYDROXIDE, LITHIUM HYDROXIDE, SODIUM CARBONATE, AND POTASSIUM CARBONATE, AND SAID REACTANT BEING AN ACIDIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF HYDROCHLORIC ACID, SULFURIC ACID, NITRIC ACID, AMMONIUM CHLORIDE, AMMONIUM SULFATE, AND AMMONIUM NITRATE.
Claim 2
Independent Claim
131 words
A METHOD OF BONDING GLASS FIBERS, ARRANGED IN A HELTER-SKELTER FASHION, ONE TO ANOTHER AT THEIR INTERSECTIONS TO FORM AN INTEGRAL BAT CONSISTING OF: CATALYZING A PHENOL ALDEHYDE POLYMERIZATION REACTION TO THE "A" STAGE, NEUTRALIZING THE CATALYST WITH A REACTANT, SPRAYING THE "A" STAGE POLYMER ONTO THE FIBERS, AND ADVANCING THE POLYER TO THE "C" STAGE BY HEATING TO FORM A DRIED DEPOSIT COMPRISING BOTH THE PHENOL ALDEHYDE RESIN AND THE SALT FOMED BY NEUTRALIZING SAID CATALYST WITH SAID REACTANT, SAID CATALYST BEING AN ALKALINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF SODIUM HYDROXIDE, POTASSIUM HYDROXIDE, CALCIUM HYDROXIDE, LITHIUM HYDROXIDE, SODIUM CARBONATE, AND POTASSIUM CARBONATE, AND SAID REACTANT BEING AN ACIDIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF HYDROCHLORIC ACID, SULFURIC ACID, NITRIC ACID, AMMONIUM CHLORIDE, AMMONIUM SULFATE, AND AMMONIUM NITRATE.
References Cited (Backward Citations)
US1222980A
Cited
US1858168A
Cited
US1960116A
Cited
US2140981A
Cited
US2252157A
Cited
US2325302A
Cited
US2349909A
Cited
US2305417A
Cited
US2493194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |