US3086953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicone treatment of masonry
Assignee: Wacker Chemie AG
•
Filing: 1960-07-18
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Granted: 1963-04-23
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Expires: 1980-07-18
Abstract
No abstract record available.
Inventors
- 👤 Nitzsche Siegfried
- 👤 Pirson Ewald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:40
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/40; C04B24/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A METHOD FOR IMPARTING WATER REPLELLENCY TO MASONRY MATERIALS CONSISTING OF INCORPORATING INTO THE MASONRY MIXTURE A DRY, PULVERULENT ORGANOSILOXANE COPOLYMER CONSISTING ESSENTIALLY OF 30 TO 99% INCLUSIVE OF UNITS OF THE FORMULA RSIO3/2, 1 TO 70% INCLUSIVE OF UNITS OF THE FORMULA RHSIO, AND UP TO 10% OF UNITS OF THE FORMULA SIO4/2, WHEREIN EACH R IS AN ALKYL RADICAL.
Claim 2
Independent Claim
61 words
A METHOD FOR IMPARTING WATER REPLELLENCY TO MASONRY MATERIALS CONSISTING OF INCORPORATING INTO THE MASONRY MIXTURE A DRY, PULVERULENT ORGANOSILOXANE COPOLYMER CONSISTING ESSENTIALLY OF 30 TO 99% INCLUSIVE OF UNITS OF THE FORMULA RSIO3/2, 1 TO 70% INCLUSIVE OF UNITS OF THE FORMULA RHSIO, AND UP TO 10% OF UNITS OF THE FORMULA SIO4/2, WHEREIN EACH R IS AN ALKYL RADICAL.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |