US3188233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonwoven fabric prepared from butyl rubber latex
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1961-10-18
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Granted: 1965-06-08
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Expires: 1981-10-18
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Powers
- 👤 William P Cain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:02
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/693; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; D04H1/64; D06M15/01; D06M15/15; D06M15/19; D06M15/37; D06M15/39; D06M15/423; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/3175; Y10T428/31754; Y10T428/31761; Y10T428/31768; Y10T428/31772; Y10T428/31855; Y10T428/31859; Y10T428/31862; Y10T428/31866; Y10T428/3188; Y10T442/00; Y10T442/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A NONWOVEN FABRIC COMPRISING A WEB A FIBERS IMPREGNATED WITH BETWEEN ABOUT 5 AND ABOUT 70 WT. PERCENT OF A HEAT CURED BINDER CONSISTING ESSENTIALLY OF A RUBBERY COPOLYMER OF A MAJOR PORTION OF A C4 TO C8 ISOOLEFIN AND A MINOR PORTION OF A C4 TO C14 MULTIOLEFIN, BETWEEN ABOUT 5 AND ABOUT 35 PARTS, PER 100 PARTS OF RUBBERY COPOLYMER, OF CASEIN, AND BETWEEN ABOUT 2 AND ABOUT 35 PARTS, PER 100 PARTS OF RUBBER COPOLYMER, OF A MELAMINE-FORMALDEHYDE RESIN HAVING A MOLE RATIO OF MELAMINE TO FORMALDEHYDE OF BETWEEN ABOUT 1:1 AND ABOUT 5:1.
Claim 2
Dependent Claim
97 words
A NONWOVEN FABRIC COMPRISING A WEB A FIBERS IMPREGNATED WITH BETWEEN ABOUT 5 AND ABOUT 70 WT. PERCENT OF A HEAT CURED BINDER CONSISTING ESSENTIALLY OF A RUBBERY COPOLYMER OF A MAJOR PORTION OF A C4 TO C8 ISOOLEFIN AND A MINOR PORTION OF A C4 TO C14 MULTIOLEFIN, BETWEEN ABOUT 5 AND ABOUT 35 PARTS, PER 100 PARTS OF RUBBERY COPOLYMER, OF CASEIN, AND BETWEEN ABOUT 2 AND ABOUT 35 PARTS, PER 100 PARTS OF RUBBER COPOLYMER, OF A MELAMINE-FORMALDEHYDE RESIN HAVING A MOLE RATIO OF MELAMINE TO FORMALDEHYDE OF BETWEEN ABOUT 1:1 AND ABOUT 5:1.
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |