US4500325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive article
Assignee: Tyrolit-Schleifmittelwerke Swarovski KG
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Filing: 1982-07-15
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Granted: 1985-02-19
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Expires: 2002-07-15
Abstract
Abstract An abrasive article comprises abrasive grain, a binder material and active fillers. The active fillers are metal halogenides or metallic complex salts.
Inventors
- 👤 Johann Huber
- 👤 Otto Thanner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:10
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
An abrasive article comprising abrasive grain, a binder agent, and fillers, at least part of the fillers being active fillers and including metal halogenides, the active fillers being chosen from the group consisting of: (NH 4 ) 2 MnCl 4 .2H 2 O, (NH 4 ) 6 MnCl 8 .2H 2 O, KMnCl 3 , K 4 MnCl 6 , K 2 MnCl 4 , K 3 Mn 2 Cl 7 , K 2 MnCl 4 .2KCl, KMnCl 3 .2H 2 O, K 2 MnCl 4 .2H 2 O, K 2 SnCl 4 .(NH 4 ) 2 SnCl 4 , K 2 MnCl 4 , K 2 MnCl 4 .KCl, K 2 MnCl 4 .2KCl, K 2 MnCl 4 .3KCl, K 2 ZnCl 4 , K 2 ZnCl 4 .KCl, K 2 ZnCl 4 2KCl, K 2 ZnCl 4 .3KCl, Na 2 MnCl 4 , Na 2 MnCl 4 .KCl, Na 2 MnCl 4 .2KCl, Na 2 MnCl 4 .3KCl, Na 2 ZnCl 4 , Na 2 ZnCl 4 .KCl, Na 2 ZnCl 4 .2KCl, Na 2 ZnCl 4 .3KCl, K 2 MnCl 3 F.2KCl, K 2 ZnCl 3 F.2KCl, Na 2 MnCl 3 F.2KCl and Na 2 ZnCl 3 F.2KCl.
Claim 2
Dependent Claim
201 words
An abrasive article comprising abrasive grain, a binder agent, and fillers, at least part of the fillers being active fillers and including metal halogenides, the active fillers being chosen from the group consisting of: (NH 4 ) 2 MnCl 4 .2H 2 O, (NH 4 ) 6 MnCl 8 .2H 2 O, KMnCl 3 , K 4 MnCl 6 , K 2 MnCl 4 , K 3 Mn 2 Cl 7 , K 2 MnCl 4 .2KCl, KMnCl 3 .2H 2 O, K 2 MnCl 4 .2H 2 O, K 2 SnCl 4 .(NH 4 ) 2 SnCl 4 , K 2 MnCl 4 , K 2 MnCl 4 .KCl, K 2 MnCl 4 .2KCl, K 2 MnCl 4 .3KCl, K 2 ZnCl 4 , K 2 ZnCl 4 .KCl, K 2 ZnCl 4 2KCl, K 2 ZnCl 4 .3KCl, Na 2 MnCl 4 , Na 2 MnCl 4 .KCl, Na 2 MnCl 4 .2KCl, Na 2 MnCl 4 .3KCl, Na 2 ZnCl 4 , Na 2 ZnCl 4 .KCl, Na 2 ZnCl 4 .2KCl, Na 2 ZnCl 4 .3KCl, K 2 MnCl 3 F.2KCl, K 2 ZnCl 3 F.2KCl, Na 2 MnCl 3 F.2KCl and Na 2 ZnCl 3 F.2KCl.
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) | 1988-02-19 | 1988-08-20 | 1989-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-19 | 1992-08-20 | 1993-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-19 | 1996-08-20 | 1997-02-19 | $7700.00 | Window Closed / Lapsed |