US2766142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated glass strands and process of preparing the same
Assignee: Wyeth Holdings LLC
•
Filing: 1952-05-03
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Granted: 1956-10-09
•
Expires: 1972-05-03
Abstract
No abstract record available.
Inventors
- 👤 Walter M Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:04
CPC Classifications
C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C08; C08F; C08F283/00; C08F283/12; C08L; C08L67/00; C08L67/06; B; B29; B29K; B29K2309/00; B29K2309/08; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31649
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A PROCESS COMPRISING COATING GLASS FIBROUS STRANDS WITH (1) A MEMBER SELECTED FROM THE GROUP CONSISTING OF A GLYCIDYL ACRYLATE AND A GLYCIDYL METHACRYLATE AND (2) A POLYMERIZABLE UNSATURATED POLYESTER RESIN PREPARED BY REACTING A SATURATED ALIPHATIC POLYHYDRIC ALCOHOL AND AN ALPHA, BETA UNSATURATED POLYCARBOXYLIC ACID, THEREAFTER COPOLYMERIZING THE RECITED COMPONENTS OF THE COATING ON THE STRANDS.
Claim 2
Dependent Claim
57 words
A PROCESS COMPRISING COATING GLASS FIBROUS STRANDS WITH (1) A MEMBER SELECTED FROM THE GROUP CONSISTING OF A GLYCIDYL ACRYLATE AND A GLYCIDYL METHACRYLATE AND (2) A POLYMERIZABLE UNSATURATED POLYESTER RESIN PREPARED BY REACTING A SATURATED ALIPHATIC POLYHYDRIC ALCOHOL AND AN ALPHA, BETA UNSATURATED POLYCARBOXYLIC ACID, THEREAFTER COPOLYMERIZING THE RECITED COMPONENTS OF THE COATING ON THE STRANDS.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |