US2783137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grinding compositions and making of same
Assignee: Dow Chemical Co
•
Filing: 1951-06-08
•
Granted: 1957-02-26
•
Expires: 1971-06-08
Abstract
No abstract record available.
Inventors
- 👤 Harold H Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:43
CPC Classifications
C; C09; C09K; C09K3/00; C09K3/14; C09K3/1454; C09K3/1463
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A COMPOSITION, ADAPTD FOR USE IN GRINDING AND POLISHING OPERATIONS, CONSISTING ESSENTIALLY OF A SUSPENSION OF SOLID ABRASIVE PARTICLES IN A FLOWABLE MEDIUM CONSISTING ESSENTIALLY OF A LIQUED, OF THE GROUP CONSISTING OF WATER, ALIPHATIC POLYHYDRIC ALCOHOLS, AND MIXTURES THEREOF, THICKENED WITH A SMALL AMOUNT OF AN ALKALI SALT OF A SULPHONATED ALKENYL AROMATIC RESIN.
Claim 2
Dependent Claim
55 words
A COMPOSITION, ADAPTD FOR USE IN GRINDING AND POLISHING OPERATIONS, CONSISTING ESSENTIALLY OF A SUSPENSION OF SOLID ABRASIVE PARTICLES IN A FLOWABLE MEDIUM CONSISTING ESSENTIALLY OF A LIQUED, OF THE GROUP CONSISTING OF WATER, ALIPHATIC POLYHYDRIC ALCOHOLS, AND MIXTURES THEREOF, THICKENED WITH A SMALL AMOUNT OF AN ALKALI SALT OF A SULPHONATED ALKENYL AROMATIC RESIN.
References Cited (Backward Citations)
US2533211A
Cited
US1380382A
Cited
GB296195A
Cited
DE580366C
Cited
US2119159A
Cited
US2205115A
Cited
US2222969A
Cited
US2612485A
Cited
US2604461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |