Patent US4710717A successfully refreshed from Google Patents.
US3250736A
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US
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Latex modified cement mortar compositions
Assignee: Dow Chemical Co
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Filing: 1963-03-22
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Granted: 1966-05-10
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Dale S Gibbs
- 👤 Lester C Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:34
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; C04B24/00; C04B24/16; C04B24/161; C04B24/163; C04B24/24; C04B24/26; C04B24/2682; C08; C08K; C08K3/00; C08K3/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN THE PROCESS OF MAKING LATEX MODIFIED CEMENT MORTAR COMPOSITIONS THE IMPROVEMENT CONSISTING OF ADDING TO SAID COMPOSITIONS A STABLE, AQUEOUS COLLOIDAL DISPERSION OF A SOLID, SUBSTANTIALLY WATER-INSOLUBLE VINYLIDENE CHLORIDE INTERPOLYMER CONSISTING ESSENTIALLY OF (1) BETWEEN ABOUT 87 AND 88 WEIGHT PERCENT VINYLIDENE CHLORIDE, (2) BETWEEN ABOUT 6 AND 7 WEIGHT PERCENT OF AT LEAST ONE VINYL ESTER HAVING THE STRUCTURE
Claim 2
Dependent Claim
61 words
IN THE PROCESS OF MAKING LATEX MODIFIED CEMENT MORTAR COMPOSITIONS THE IMPROVEMENT CONSISTING OF ADDING TO SAID COMPOSITIONS A STABLE, AQUEOUS COLLOIDAL DISPERSION OF A SOLID, SUBSTANTIALLY WATER-INSOLUBLE VINYLIDENE CHLORIDE INTERPOLYMER CONSISTING ESSENTIALLY OF (1) BETWEEN ABOUT 87 AND 88 WEIGHT PERCENT VINYLIDENE CHLORIDE, (2) BETWEEN ABOUT 6 AND 7 WEIGHT PERCENT OF AT LEAST ONE VINYL ESTER HAVING THE STRUCTURE
References Cited (Backward Citations)
US2914499A
Cited
FR1269384A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |