US3139412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calking and sealing composition containing polypropylene
Assignee: Dow Chemical Co
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Filing: 1961-03-17
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Granted: 1964-06-30
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
- 👤 George B Sterling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:34
CPC Classifications
C; C09; C09J; C09J123/00; C09J123/02; C09J123/10; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A CALKING COMPOSITION FOR SEALING CREVICES, CRACKS, LEAKS AND JOINTS TO MAKE THEM WATERPROOF, CONSISTING ESSENTIALLY OF A HOMOGENEOUS INTIMATE MIXTURE OF (A) FROM ABOUT 4 TO ABOUT 30 PERCENT BY WEIGHT OF AN AMORPHOUS RUBBERY PROPYLENE POLYMER CONSISTING OF AT LEAST 90 PERCENT BY WEIGHT OF PROPYLENE AND NOT MORE THAN 10 PERCENT OF ANOTHER ETHYLENICALLY UNSATURATED ALIPHATIC HYDROCARBON, (B) FROM 15 TO 40 PERCENT BY WEIGHT OF A PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF A BODIED DRYING OIL HAVING A VISCOSITY BETWEEN Z1 AND Z9 AND A WHITE MINERAL OIL, (C) FROM 5 TO 15 PERCENT BY WEIGHT OF A LIQUID HYDROCARBON SOLVENT CONSISTING PRINCIPALLY OF SATURATED ALIPHATIC HYDROCARBONS BOILING AT TEMPERATURES BETWEEN 60* AND 205*C., AND (D) FROM 30 TO 70 PERCENT, BY WEIGHT OF AN INERT FINELY DIVIDED FILLER PER 100 PARTS BY WEIGHT OF SAID COMPOSITION.
Claim 2
Dependent Claim
142 words
A CALKING COMPOSITION FOR SEALING CREVICES, CRACKS, LEAKS AND JOINTS TO MAKE THEM WATERPROOF, CONSISTING ESSENTIALLY OF A HOMOGENEOUS INTIMATE MIXTURE OF (A) FROM ABOUT 4 TO ABOUT 30 PERCENT BY WEIGHT OF AN AMORPHOUS RUBBERY PROPYLENE POLYMER CONSISTING OF AT LEAST 90 PERCENT BY WEIGHT OF PROPYLENE AND NOT MORE THAN 10 PERCENT OF ANOTHER ETHYLENICALLY UNSATURATED ALIPHATIC HYDROCARBON, (B) FROM 15 TO 40 PERCENT BY WEIGHT OF A PLASTICIZER SELECTED FROM THE GROUP CONSISTING OF A BODIED DRYING OIL HAVING A VISCOSITY BETWEEN Z1 AND Z9 AND A WHITE MINERAL OIL, (C) FROM 5 TO 15 PERCENT BY WEIGHT OF A LIQUID HYDROCARBON SOLVENT CONSISTING PRINCIPALLY OF SATURATED ALIPHATIC HYDROCARBONS BOILING AT TEMPERATURES BETWEEN 60* AND 205*C., AND (D) FROM 30 TO 70 PERCENT, BY WEIGHT OF AN INERT FINELY DIVIDED FILLER PER 100 PARTS BY WEIGHT OF SAID COMPOSITION.
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) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |