US3193446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latex bonded asbestos fiber sheet material
Assignee: Uniroyal Inc
•
Filing: 1962-11-26
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Granted: 1965-07-06
•
Expires: 1982-11-26
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Eisenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:54
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/37; C; C04; C04B; C04B26/00; C04B26/02; C04B26/04; C08; C08K; C08K7/00; C08K7/02; C08K7/04; C08K7/10; C08K7/12; C08L; C08L25/00; C08L25/02; C08L25/04; C08L25/08; C08L25/10; D06; D06M; D06M7/00; D06M7/005; D21H17/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A PROCESS OF PRODUCING A WATER-LAID, LATEX BONDED, FIBROUS SHEET MATERIAL FROM A WATER SLURRY OF ASBESTOS FIBERS WHICH RELEASE METALLIC IONS IN WATER, THE IMPROVEMENT WHICH COMPRISES CONTROLLING THE DEPOSITION OF THE LATEX BY EMPLOYING A LATEX SYSTEM COMPRISING 97-70% BY WEIGHT OF A RUBBERY POLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF A BUTADIENE-STYRENE COPOLYMER AND A BUTADIENE-ACRYLONITRILE COPOLYMER AND FROM 3-30% OF A RUBBERY POLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF A BUTADIENE-STYRENE-ITACONIC ACID TERPOLYMER, A BUTADIENE-STYRENE-METHACRYLIC ACID TERPOLYMER AND A STYREEN-BUTADIENE-METHACRYLAMIDE TERPOLYMER.
Claim 2
Dependent Claim
80 words
A LATEX BONDED FIBER SHEET MATERIAL COMPRISING ASBESTOS FIBERS THAT RELEASE METALLIC IONS IN WATER AND ORGANIC CELLULOSIC FIBERS, IN EQUAL PARTS BY WWEIGHT, BONDED WITH A LATEX, SAID LATEX COMPRISING A MIXTURE OF ABOUT 97-70% OF A RUBBERY POLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF BUTADIENE-STYRENE COPOLYMER AND A BUTADIENE-ACRYLONITRILE COPOLYMER AND FROM 3-30% OF A RUBBERY POLYMERIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF A BUTADIENE-STYRENE ITACONIC ACID TERPOLYMER, A BUTADIENESTYRENE-METHACRYLIC ACID TERPOLYMER AND A STYRENE-BUTADIENE-METHACRYLAMIDE TERPOLYMER.
References Cited (Backward Citations)
US2614093A
Cited
US2772970A
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US2940892A
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US2940893A
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US3026217A
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US2944044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |