US3196122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cementitious compositions containing acrylic ester polymers
Assignee: MASTER MECHANICS Co
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Filing: 1964-02-14
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Granted: 1965-07-20
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Robert M Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:07
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/24; C04B24/26; C04B24/2641; Y; Y10; Y10T; Y10T428/00; Y10T428/20; Y10T428/31504; Y10T428/31652; Y10T428/31667
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A FREE-FLOWING PREDOMINANTLY CEMENTITIOUS COMPOSITION FOR PRODUCING A RIGID ACID-RESISTANT MATERIAL OF HIGH ADHESIVE STRENGTH COMPRISING SAND, A HYDRAULIC CEMENT, WATER AND WATER-DISPERSED PARTICLES OF A WATER-INSOLUBLE FILM-FORMING ACRYLATE POLYMER OF A MONOMERIC MATERIAL COMPRISING AT LEAST ONE ALKYL ESTER OF AN ACRYLIC ACID HAVING 3 TO 4 CARBON ATOMS, THE ALKYL RADICAL OF SAID ESTER HAVING UP TO 18 CARBON ATOMS, SAID POLYMER BEING PRESENT IN A SUBSTANTIAL AMOUNT AND HAVING A SECONDORDER TRANSITION TEMPERATURE BELOW ROOM TEMPERATURE, THE AMOUNT BY WEIGHT OF SAID POLYMER BEING NO GREATER THAN ABOUT ONE PART OF POLYMER FOR EACH 3.7 PARTS OF CEMENT.
Claim 2
Dependent Claim
101 words
A FREE-FLOWING PREDOMINANTLY CEMENTITIOUS COMPOSITION FOR PRODUCING A RIGID ACID-RESISTANT MATERIAL OF HIGH ADHESIVE STRENGTH COMPRISING SAND, A HYDRAULIC CEMENT, WATER AND WATER-DISPERSED PARTICLES OF A WATER-INSOLUBLE FILM-FORMING ACRYLATE POLYMER OF A MONOMERIC MATERIAL COMPRISING AT LEAST ONE ALKYL ESTER OF AN ACRYLIC ACID HAVING 3 TO 4 CARBON ATOMS, THE ALKYL RADICAL OF SAID ESTER HAVING UP TO 18 CARBON ATOMS, SAID POLYMER BEING PRESENT IN A SUBSTANTIAL AMOUNT AND HAVING A SECONDORDER TRANSITION TEMPERATURE BELOW ROOM TEMPERATURE, THE AMOUNT BY WEIGHT OF SAID POLYMER BEING NO GREATER THAN ABOUT ONE PART OF POLYMER FOR EACH 3.7 PARTS OF CEMENT.
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |