US2965464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions for preparing bonded abrasives
Assignee: Dow Chemical Co
•
Filing: 1958-12-12
•
Granted: 1960-12-20
•
Expires: 1978-12-12
Abstract
No abstract record available.
Inventors
- 👤 Walter E F Rupprecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:11
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN IMPROVED COMPOSITION FOR USE IN PREPARING BONDED ABRASIVE ARTICLES CONSISTING ESSENTIALLY OF AN ABRASIVE GAIN, A PERMANENT BINDER WHICH IS THERMALLY INSENSITIVE AT THE TEMPERATURE OF COMBUSTION OF THE TEMPORARY BINDER, AND, FROM ABOUT 5 TO 15 PERCENT BY WEIGHT OF THE COMPOSITION OF A TEMPORARY BINDER THEREFOR, SAID TEMPORARY BINDER CONSISTING OF A BLEND OF POLYMER LATEXES IN ABOUT EQUAL WEIGHTS OF POLYMERIC SOLIDS, ONE OF THE LATEXES OF SAID BLEND BEING THE EMULSION POLYMERIZATE OF A VINYLIDENE CHLORIDE-VINYL CHHLORIDE COMONOMERIC MIXTURE, THE OTHER LATEX OF SAID BLEND BEING THE EMULSION POLYMERIZATE OF A STYRENE-BUTADIENE COMONOMERIC MIXTURE.
Claim 2
Dependent Claim
99 words
AN IMPROVED COMPOSITION FOR USE IN PREPARING BONDED ABRASIVE ARTICLES CONSISTING ESSENTIALLY OF AN ABRASIVE GAIN, A PERMANENT BINDER WHICH IS THERMALLY INSENSITIVE AT THE TEMPERATURE OF COMBUSTION OF THE TEMPORARY BINDER, AND, FROM ABOUT 5 TO 15 PERCENT BY WEIGHT OF THE COMPOSITION OF A TEMPORARY BINDER THEREFOR, SAID TEMPORARY BINDER CONSISTING OF A BLEND OF POLYMER LATEXES IN ABOUT EQUAL WEIGHTS OF POLYMERIC SOLIDS, ONE OF THE LATEXES OF SAID BLEND BEING THE EMULSION POLYMERIZATE OF A VINYLIDENE CHLORIDE-VINYL CHHLORIDE COMONOMERIC MIXTURE, THE OTHER LATEX OF SAID BLEND BEING THE EMULSION POLYMERIZATE OF A STYRENE-BUTADIENE COMONOMERIC MIXTURE.
References Cited (Backward Citations)
US2121018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |