US2838418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adhesion of resins to glass
Assignee: EIDP Inc
•
Filing: 1954-07-22
•
Granted: 1958-06-10
•
Expires: 1974-07-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard Warner Starkweather
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:37
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
THE METHOD OF PREPARING A GLASS-FIBER REINFORCED ARTICLE WHICH COMPRISES COATING GLASS FIBERS WITH A COMPOSITION COMPRISING A TETRA-ALKYL ESTER OF TITANIC ACID IN WHICH THE ALKYL GROUPS CONTAINS FROM 1 TO 8 CARBON ATOMS, A NORMALLY SOLID THERMOPLASTIC LINEAR SYNTHETIC RESIN, AN INERT ORGANIC SOLVENT FOR SAID ESTER AND SYNTHETIC RESIN REMOVING SAID SOLVENT FROM SAID COATING BY EVAPORATION, HEATING THE RESULTANT COATED FIBERS AT AN ELEVATED TEMPERATURE, SAID TEMPERATURE BEING BELOW THE THERMAL DECOMPOSITION TEMPERATURE OF THE SYNTHETIC RESIN, CONTINUING THE SAID HEATING UNTIL THE TETRA-ALKYL TITANATE HAS DECOMPOSED TO TITANIUM DIOXIDE, THEREATER IMPREGNATING THE RESULTING COATED FIBERS WITH A MOLTEN SYNTHETIC RESIN
Claim 2
Independent Claim
105 words
THE METHOD OF PREPARING A GLASS-FIBER REINFORCED ARTICLE WHICH COMPRISES COATING GLASS FIBERS WITH A COMPOSITION COMPRISING A TETRA-ALKYL ESTER OF TITANIC ACID IN WHICH THE ALKYL GROUPS CONTAINS FROM 1 TO 8 CARBON ATOMS, A NORMALLY SOLID THERMOPLASTIC LINEAR SYNTHETIC RESIN, AN INERT ORGANIC SOLVENT FOR SAID ESTER AND SYNTHETIC RESIN REMOVING SAID SOLVENT FROM SAID COATING BY EVAPORATION, HEATING THE RESULTANT COATED FIBERS AT AN ELEVATED TEMPERATURE, SAID TEMPERATURE BEING BELOW THE THERMAL DECOMPOSITION TEMPERATURE OF THE SYNTHETIC RESIN, CONTINUING THE SAID HEATING UNTIL THE TETRA-ALKYL TITANATE HAS DECOMPOSED TO TITANIUM DIOXIDE, THEREATER IMPREGNATING THE RESULTING COATED FIBERS WITH A MOLTEN SYNTHETIC RESIN
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |