US3336183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leather-like composition
Assignee: Goodrich Corp
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Filing: 1962-12-19
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Granted: 1967-08-15
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Expires: 1982-12-19
Abstract
No abstract record available.
Inventors
- 👤 Jr William H V Larner
- 👤 Stephen T Semegen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:26
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/0002; D06N3/0013; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/4935; Y10T442/00; Y10T442/60; Y10T442/693
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A NYNTHETIC LEATHER CONSTRUCTION COMPRISING THE COMBINATION CONSISTING OF (1) A BASE STRATUM FROM 7 TO 100 MILS IN THICKNESS OF POLYPROPYLENE NON-WOVEN FABRIC CONTAINING 50-150% BY WEIGHT OF A CARBOXYLIC MODIFIED LATEX SATURANT, SAID LATEX HAVING BEEN MADE BY POLYMERIZING IN AN ACIDIC AQUEOUS MEDIUM A MONOMERIC MIXTURE COMPRISING MONOMERS SELECTED FROM THE GROUP CONSISTING OF ALKYL ACRYLATES, MIXTURES OF BUTADIENE AND ALKYL ACRYLATES, MIXTURES OF BUTADIENE-ACRYLONITRILE, MIXTURES OF BUTADIENESTYRENE AND MIXTURES OF BUTADIENE-STYRENE-ACRYLONITRILE WHEREIN THE ALKYL ACRYLATE OR THE BUTADIENE COMPONENT, OR THE SUM OF THE ALKYL ACRYLATE AND TEH BUTADIENE COMPONENT IS AT LEAST 55% OF THE TOTAL MONOMER MIXTURE, AND 1-45% BY WEIGHT OF THE TOTAL MONOMER MIXTURE OF AN UNSATURATED ACID MONOMER SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHACRYLIC ACID, (2) AN INTERLAYER OF WET PAPER PROCESS CELLULOSE FIBER FROM 8 TO 17 MILS IN THICKNESS CONTAINING 15 TO 50% BY WEIGHT OF A CARBOXYLIC MODIFIED LATEX SATURANT, AND (3) A PERMEABLE SURFACE LAYER FROM 5 TO 30 MILS IN THICKNESS OF POLYESTERURETHANE-POLYVINLY CHLORIDE RESIN, SAID POLYESTERURETHANE BEING ESSENTIALLY LINEAR AND CHARACTERIZED BY BEING THERMOPLASTIC, EXTRUDABLE TO A FILM, AND SUBSTANTIALLY FREE OF CROSSLINKS,
Claim 2
Dependent Claim
192 words
A NYNTHETIC LEATHER CONSTRUCTION COMPRISING THE COMBINATION CONSISTING OF (1) A BASE STRATUM FROM 7 TO 100 MILS IN THICKNESS OF POLYPROPYLENE NON-WOVEN FABRIC CONTAINING 50-150% BY WEIGHT OF A CARBOXYLIC MODIFIED LATEX SATURANT, SAID LATEX HAVING BEEN MADE BY POLYMERIZING IN AN ACIDIC AQUEOUS MEDIUM A MONOMERIC MIXTURE COMPRISING MONOMERS SELECTED FROM THE GROUP CONSISTING OF ALKYL ACRYLATES, MIXTURES OF BUTADIENE AND ALKYL ACRYLATES, MIXTURES OF BUTADIENE-ACRYLONITRILE, MIXTURES OF BUTADIENESTYRENE AND MIXTURES OF BUTADIENE-STYRENE-ACRYLONITRILE WHEREIN THE ALKYL ACRYLATE OR THE BUTADIENE COMPONENT, OR THE SUM OF THE ALKYL ACRYLATE AND TEH BUTADIENE COMPONENT IS AT LEAST 55% OF THE TOTAL MONOMER MIXTURE, AND 1-45% BY WEIGHT OF THE TOTAL MONOMER MIXTURE OF AN UNSATURATED ACID MONOMER SELECTED FROM THE GROUP CONSISTING OF ACRYLIC ACID AND METHACRYLIC ACID, (2) AN INTERLAYER OF WET PAPER PROCESS CELLULOSE FIBER FROM 8 TO 17 MILS IN THICKNESS CONTAINING 15 TO 50% BY WEIGHT OF A CARBOXYLIC MODIFIED LATEX SATURANT, AND (3) A PERMEABLE SURFACE LAYER FROM 5 TO 30 MILS IN THICKNESS OF POLYESTERURETHANE-POLYVINLY CHLORIDE RESIN, SAID POLYESTERURETHANE BEING ESSENTIALLY LINEAR AND CHARACTERIZED BY BEING THERMOPLASTIC, EXTRUDABLE TO A FILM, AND SUBSTANTIALLY FREE OF CROSSLINKS,
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |