US3228907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mortar compositions containing latex blends
Assignee: Dow Chemical Co
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Filing: 1961-10-25
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Granted: 1966-01-11
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Expires: 1981-10-25
Abstract
No abstract record available.
Inventors
- 👤 Ralph D Eash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:27
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/24; C04B24/26; C04B24/2682; C04B28/00; C04B28/02; C04B28/04; C04B2111/00; C04B2111/00474; C04B2111/00482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
LATEX-MODIFIED PORTLAND CEMENT MORTAR COMPOSITION WHICH COMPRISES A MIXTURE OF (1) PORTLAND CEMENT, (2) AN AGGREGATE MATERIAL, (3) WATER AND A BLEND OF AT LEAST TWO INTERPOLYMER LATEXES CONSISTING ESSENTIALLY FO (A) ABOUT 75 WEIGHT PERCENT OF POLYMERR SOLIDS BASED ON THE COMBINED WEIGHT OF ALL POLYMER SOLIDS OF ALL LATEXES EMPLOYED IN SAID BLEND OF AN AQUEOUS DISPERSION OF A WATERINSOLUBLE, FILM-FORMING INTERPOLYMER LATEX AND WHEREIN SAID LATEX CONTAINS FROM ABOUT 50 TO ABOUT 90 WEIGHT PERCENT OF VINYLIDENE CHLORIDE INTERPOLYMERIZED WITH FROM ABOUT 50 TO ABOUT 5.0 WEIGHT PERCENT OF LOWER ALKYL ACRYLATE CONTAINIG FROM 1 TO 10 CARBON ATOMS AND AT LEAST ONE OTHER INTERPOLYMERIZABLE MATERIAL, SAID INTERPOLYMERIZABLE MATERIAL BEING COMPOSED OF AT LEAST ONE MONOMER OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
123 words
LATEX-MODIFIED PORTLAND CEMENT MORTAR COMPOSITION WHICH COMPRISES A MIXTURE OF (1) PORTLAND CEMENT, (2) AN AGGREGATE MATERIAL, (3) WATER AND A BLEND OF AT LEAST TWO INTERPOLYMER LATEXES CONSISTING ESSENTIALLY FO (A) ABOUT 75 WEIGHT PERCENT OF POLYMERR SOLIDS BASED ON THE COMBINED WEIGHT OF ALL POLYMER SOLIDS OF ALL LATEXES EMPLOYED IN SAID BLEND OF AN AQUEOUS DISPERSION OF A WATERINSOLUBLE, FILM-FORMING INTERPOLYMER LATEX AND WHEREIN SAID LATEX CONTAINS FROM ABOUT 50 TO ABOUT 90 WEIGHT PERCENT OF VINYLIDENE CHLORIDE INTERPOLYMERIZED WITH FROM ABOUT 50 TO ABOUT 5.0 WEIGHT PERCENT OF LOWER ALKYL ACRYLATE CONTAINIG FROM 1 TO 10 CARBON ATOMS AND AT LEAST ONE OTHER INTERPOLYMERIZABLE MATERIAL, SAID INTERPOLYMERIZABLE MATERIAL BEING COMPOSED OF AT LEAST ONE MONOMER OF THE GENERAL FORMULA:
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |