US2895850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating fibers with modified butyl rubber
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1954-09-22
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Granted: 1959-07-21
•
Expires: 1974-09-22
Abstract
No abstract record available.
Inventors
- 👤 Samuel B Robison
- 👤 Francis P Baldwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:54
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/04; C08J5/06; C08J2323/00; C08J2323/02; C08J2323/18; C08J2323/20; C08J2323/22; Y; Y10; Y10S; Y10S525/00; Y10S525/935; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2938
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE PROCESS COMPRISING TREATING A FIBROUS MATERIAL WITH AN AQUEOUS SOLUTION OF A PHENOLIC-ALDEHYDE RESIN, DRYING IT AND THEN TREATING IT WITH ABOUT 0.1 TO 5 WT. PERCENT OF A BUTYL RUBBER REACTION PRODUCT OF A NITROSO HYDROXY AROMATIC COMPOUND HAVING THE GENERAL FORMULA HO--AR--NO IN WHICH AR IS AN AROMATIC HYDROCARBON NUCLEUS.
Claim 2
Dependent Claim
53 words
THE PROCESS COMPRISING TREATING A FIBROUS MATERIAL WITH AN AQUEOUS SOLUTION OF A PHENOLIC-ALDEHYDE RESIN, DRYING IT AND THEN TREATING IT WITH ABOUT 0.1 TO 5 WT. PERCENT OF A BUTYL RUBBER REACTION PRODUCT OF A NITROSO HYDROXY AROMATIC COMPOUND HAVING THE GENERAL FORMULA HO--AR--NO IN WHICH AR IS AN AROMATIC HYDROCARBON NUCLEUS.
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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) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |