US2851379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of impregnating material with a resinous bonding composition
Assignee: Distillers Co Yeast Ltd
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Filing: 1954-11-05
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Granted: 1958-09-09
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Expires: 1974-11-05
Abstract
No abstract record available.
Inventors
- 👤 Staudinger Johann Josef Peter
- 👤 Williams Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:38
CPC Classifications
C; C08; C08L; C08L67/00; C08L67/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A PROCESS FOR THE PRODUCTION OF BONDED ARTICLES WHICH COMPRISES INPREGNATING FIBROUS ADSORBENT MATERIAL WITH A BONDING COMPOSITION CONSISTING ESSENTIALLY OF A POLY-CONDENSATION PRODUCT OF A DICARBOXYLIC ACID WITH A DIHYDROXY ALCOHOL WHEREIN ONE OF THE TWO LAST MENTIONED COMPONENTS CONTAINS ETHYLENIC UNSATURATION, A MONOETHYLENICALLY UNSATURATED COMPOUND CORRESPONDING TO THE FORMULA
Claim 2
Dependent Claim
51 words
A PROCESS FOR THE PRODUCTION OF BONDED ARTICLES WHICH COMPRISES INPREGNATING FIBROUS ADSORBENT MATERIAL WITH A BONDING COMPOSITION CONSISTING ESSENTIALLY OF A POLY-CONDENSATION PRODUCT OF A DICARBOXYLIC ACID WITH A DIHYDROXY ALCOHOL WHEREIN ONE OF THE TWO LAST MENTIONED COMPONENTS CONTAINS ETHYLENIC UNSATURATION, A MONOETHYLENICALLY UNSATURATED COMPOUND CORRESPONDING TO THE FORMULA
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |