US3205054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive coated material
Assignee: Bay State Abrasive Products Co
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Filing: 1964-01-20
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Granted: 1965-09-07
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Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Philip C Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:27
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/02; B24D3/20; B24D3/28; B24D3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
AN ABRASIVE COATED MATERIAL CONSISTING OF ABRASIVE PARTICLES ATTACHED TO A FLEXIBLE BACKING BY SEPARATELY CURED MAKING AND SAND-SIZING COATING OF HARDENED ADHESIVE, THE ADHESIVE IN EACH SAID COATING CONSISTING ESSENTIALLY OF A RESIN-FORMING POLYEPOXIDE; AN AMINE CURING AGENT THEREFOR COMPRISING AT LEAST ONE AROMATIC POLYAMINE SELECTED FROM THE GROUP CONSISTING OF ORTHOPHENYLENE DIAMINE, METAPHENYLENE DIAMINE, PARAPHENYLENE DIAMINE, 4,4-DIAMINO DIPHENYLMETHANE, 2,4-TOLUENE DIAMINE, 3,3-DIAMETHOXYBENZIDINE, AND BENZYL DIMETHYLAMINE AND AT LEAST ONE ALIPHATIC POLYAMINE SELECTED FROM THE GROUP CONSISTING OF ETHYLENE DIAMINE, DIETHYLENE TRIAMINE TRIETHYLENE TETRA-AMINE, TETRA-ETHYLENE PENTAMINE, N-2-HYDROXYPROPYL EHTYLENE DIAMINE, HYDROXYETHYL ETHYLENE DIAMINE, 3,3-AMINOBIS-PROPYL-AMINE AND MENTHANE DIAMINE, THE SAID ALIPHATIC POLYAMINE IN SAID AMINE CURING AGENT COMPRISING BETWEEN ABOUT 20 PARTS AND 57 PARTS PER 100 PARTS BY WEIGHT OF THE TOTAL AMINE CURING AGENT, THE TOTAL SAID CURING AGENT IN SAID COATING BEING SUBSTANTIALLY A STOICHIOMETRIC AMOUNT BASED ON THE TOTAL SAID EPOXIDE IN SAID COATINGS; AND 1 TO 12% BY WEIGHT OF HE TOTAL COMPOSITION OF A FINELY DIVIDED INERT FILLER.
Claim 2
Dependent Claim
162 words
AN ABRASIVE COATED MATERIAL CONSISTING OF ABRASIVE PARTICLES ATTACHED TO A FLEXIBLE BACKING BY SEPARATELY CURED MAKING AND SAND-SIZING COATING OF HARDENED ADHESIVE, THE ADHESIVE IN EACH SAID COATING CONSISTING ESSENTIALLY OF A RESIN-FORMING POLYEPOXIDE; AN AMINE CURING AGENT THEREFOR COMPRISING AT LEAST ONE AROMATIC POLYAMINE SELECTED FROM THE GROUP CONSISTING OF ORTHOPHENYLENE DIAMINE, METAPHENYLENE DIAMINE, PARAPHENYLENE DIAMINE, 4,4-DIAMINO DIPHENYLMETHANE, 2,4-TOLUENE DIAMINE, 3,3-DIAMETHOXYBENZIDINE, AND BENZYL DIMETHYLAMINE AND AT LEAST ONE ALIPHATIC POLYAMINE SELECTED FROM THE GROUP CONSISTING OF ETHYLENE DIAMINE, DIETHYLENE TRIAMINE TRIETHYLENE TETRA-AMINE, TETRA-ETHYLENE PENTAMINE, N-2-HYDROXYPROPYL EHTYLENE DIAMINE, HYDROXYETHYL ETHYLENE DIAMINE, 3,3-AMINOBIS-PROPYL-AMINE AND MENTHANE DIAMINE, THE SAID ALIPHATIC POLYAMINE IN SAID AMINE CURING AGENT COMPRISING BETWEEN ABOUT 20 PARTS AND 57 PARTS PER 100 PARTS BY WEIGHT OF THE TOTAL AMINE CURING AGENT, THE TOTAL SAID CURING AGENT IN SAID COATING BEING SUBSTANTIALLY A STOICHIOMETRIC AMOUNT BASED ON THE TOTAL SAID EPOXIDE IN SAID COATINGS; AND 1 TO 12% BY WEIGHT OF HE TOTAL COMPOSITION OF A FINELY DIVIDED INERT FILLER.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |