US2685572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cements for attaching shoe soles
Assignee: BB Chemical Co
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Filing: 1951-06-29
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Granted: 1954-08-03
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Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 John L Perkins
- 👤 Edwin E Sylvester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:29
CPC Classifications
C; C08; C08L; C08L9/00; C08L9/02; C08K; C08K3/00; C08K3/18; C08K3/24; C08K3/26; C08L2205/00; C08L2205/03; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L65/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A HEAT ACTIVATABLE CEMENT COMPRISING 100 PARTS BY WEIGHT OF A BUTADIENE-ACRYLONITRILE COPOLYMER RUBBER CONTAINING FROM 25% TO 45% ACRYLONITRILE, FROM 10 TO 30 PARTS BY WEIGHT OF BASIC ZINC CARBONATE, FROM 70 TO 125 PARTS BY WEIGHT OF A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE CONTAINING FROM 85% TO 90.5% OF VINYL CHLORIDE AND FROM 10 TO 50 PARTS BY WEIGHT OF A MEMBER OF THE GROUP CONSISTING OF RESINOUS CONDENSATES OF CHLORINATED AROMATIC HYDROCARBONS, SAID CONDENSATES BEING COMPOSED OF ISOMERIC BIS (CHLORINATED NAPHTHYL) METHANE AND POLYMERS IN WHICH THE NAPHTHYL GROUP CONTAINS ONE TO TWO CHLORINE ATOMS, AND HAVING A CHLORINE CONTENT OF FROM 25% TO 35% AND HAVING A SPECIFIC GRAVITY OF FROM 1.29 TO 1.45 AT 25* C., A SOFTENING POINT OF FROM 65* TO 83* C., A STORMER VISCOSITY AT 130* C. OF FROM 20 TO 89 AND A SAYBOLT FUROL VISCOSITY AT 130* C. OF FROM 20 TO 180, AND CHLORINATED BIPHENYL RESINS HAVING A CHLORINE CONTENT OF 65% TO 67%, A SOFTENING POINT OF 60* TO 66* C. AND A SPECIFIC GRAVITY OF 1.712 TO 1.723.
Claim 2
Dependent Claim
184 words
A HEAT ACTIVATABLE CEMENT COMPRISING 100 PARTS BY WEIGHT OF A BUTADIENE-ACRYLONITRILE COPOLYMER RUBBER CONTAINING FROM 25% TO 45% ACRYLONITRILE, FROM 10 TO 30 PARTS BY WEIGHT OF BASIC ZINC CARBONATE, FROM 70 TO 125 PARTS BY WEIGHT OF A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE CONTAINING FROM 85% TO 90.5% OF VINYL CHLORIDE AND FROM 10 TO 50 PARTS BY WEIGHT OF A MEMBER OF THE GROUP CONSISTING OF RESINOUS CONDENSATES OF CHLORINATED AROMATIC HYDROCARBONS, SAID CONDENSATES BEING COMPOSED OF ISOMERIC BIS (CHLORINATED NAPHTHYL) METHANE AND POLYMERS IN WHICH THE NAPHTHYL GROUP CONTAINS ONE TO TWO CHLORINE ATOMS, AND HAVING A CHLORINE CONTENT OF FROM 25% TO 35% AND HAVING A SPECIFIC GRAVITY OF FROM 1.29 TO 1.45 AT 25* C., A SOFTENING POINT OF FROM 65* TO 83* C., A STORMER VISCOSITY AT 130* C. OF FROM 20 TO 89 AND A SAYBOLT FUROL VISCOSITY AT 130* C. OF FROM 20 TO 180, AND CHLORINATED BIPHENYL RESINS HAVING A CHLORINE CONTENT OF 65% TO 67%, A SOFTENING POINT OF 60* TO 66* C. AND A SPECIFIC GRAVITY OF 1.712 TO 1.723.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-02 | 1958-02-01 | 1958-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-02 | 1962-02-01 | 1962-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-02 | 1966-02-01 | 1966-08-03 | $7700.00 | Window Closed / Lapsed |