Patent US3083134A successfully refreshed from Google Patents.
US3083134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of artificial leather-like material
Assignee: Tootal Broadhurst Lee Co Ltd
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Filing: 1960-12-05
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Granted: 1963-03-26
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Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Fairclough John Holden
- 👤 Atkins Harold Jeffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:04
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/007; D06N3/0075; D06N3/0002; D06N3/0015; D06N3/0025; D06N3/0029; D06N3/0077; Y; Y10; Y10S; Y10S428/00; Y10S428/904
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
200 words
PROCESS OF MANUFACTURING AN ARTIFICIAL LEATHER-LIKE MATERIAL HAVING A "GRAIN" SIDE AND A "FLESH" SIDE AND WHICH HAS SUBSTANTIALLY NO TENDENCY TO CRACK ON THE "GRAIN" SIDE AND WHICH IS POROUS TO AIR AND WATER VAPOUR. WICH COMPRISES TREATING A NON-WOVEN WEB OF FIBRES OF WHICH AT LEAST 10% ARE SYNTHETIC POLYMERIC FIRES HAVING A HIGH DEGREE OF ELASTICITY AND RECOVERY FROM CREASING WITH A NON-AQUEOUS DISPERSION OF A THERMOPLASTIC POLYMERIC FIBRE-BONDING AGENT CONTAINING A PLASTICISER FOR THE BONDING AGENT, THE FINISHED LEATHER-LIKE MATERIAL CONTAINING NOT MORE THAN 25% AND NOT LESS THAN 10% BY WEIGHT OF THE FIBRES OF THE NON-WOVEN WEB CALCULATED ON THE WEIGHT OF THE FINISHED PRODUCT, HEATING TO GEL AT LEAST PARTLY THE DISPERSION, PRODUCING A TEMPERATURE DIFFERENTIAL BETWEEN THE TWO SIDES OF THE WEB SUCH THAT ONE SIDE OF THE WEB IS AT A TEMPERATURE AT WHICH THE BONDING AGENT SOFTENS BUT AT WHICH THE FIBRES OF THE WEB ARE NOT DAMAGED WHILE THE REMAINING SIDE OF THE WEB IS BELOW THE TEMPERATURE AT WHICH THE BINDER SOFTENS, AND, WHILE SAID TEMPERATURE DIFFERENTIAL OBTAINS, APPLYING PRESSURE TO THE WEB TO PRODUCE A VOID VOLUME IN THE FINISHED LEATHER-LIKE MATERIAL OF FROM 10% TO 35%.
Claim 2
Dependent Claim
200 words
PROCESS OF MANUFACTURING AN ARTIFICIAL LEATHER-LIKE MATERIAL HAVING A "GRAIN" SIDE AND A "FLESH" SIDE AND WHICH HAS SUBSTANTIALLY NO TENDENCY TO CRACK ON THE "GRAIN" SIDE AND WHICH IS POROUS TO AIR AND WATER VAPOUR. WICH COMPRISES TREATING A NON-WOVEN WEB OF FIBRES OF WHICH AT LEAST 10% ARE SYNTHETIC POLYMERIC FIRES HAVING A HIGH DEGREE OF ELASTICITY AND RECOVERY FROM CREASING WITH A NON-AQUEOUS DISPERSION OF A THERMOPLASTIC POLYMERIC FIBRE-BONDING AGENT CONTAINING A PLASTICISER FOR THE BONDING AGENT, THE FINISHED LEATHER-LIKE MATERIAL CONTAINING NOT MORE THAN 25% AND NOT LESS THAN 10% BY WEIGHT OF THE FIBRES OF THE NON-WOVEN WEB CALCULATED ON THE WEIGHT OF THE FINISHED PRODUCT, HEATING TO GEL AT LEAST PARTLY THE DISPERSION, PRODUCING A TEMPERATURE DIFFERENTIAL BETWEEN THE TWO SIDES OF THE WEB SUCH THAT ONE SIDE OF THE WEB IS AT A TEMPERATURE AT WHICH THE BONDING AGENT SOFTENS BUT AT WHICH THE FIBRES OF THE WEB ARE NOT DAMAGED WHILE THE REMAINING SIDE OF THE WEB IS BELOW THE TEMPERATURE AT WHICH THE BINDER SOFTENS, AND, WHILE SAID TEMPERATURE DIFFERENTIAL OBTAINS, APPLYING PRESSURE TO THE WEB TO PRODUCE A VOID VOLUME IN THE FINISHED LEATHER-LIKE MATERIAL OF FROM 10% TO 35%.
Claim 3
Dependent Claim
13 words
PROCESS ACCORDING TO CLAIM 1 WHEREIN THE BONDING AGENT IS A VINYL POLYMER.
References Cited (Backward Citations)
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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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |