US3619150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive article and nonloading coating therefor
Assignee: Hexion Inc
•
Filing: 1969-09-22
•
Granted: 1971-11-09
•
Expires: 1989-09-22
Abstract
Abstract A flexible coated abrasive article is formed having a nonloading coating applied over the size coating, said nonloading coating comprising a mixed resin composition of a thermosetting resin and either a thermoplastic or elastomeric resin and a waterdispersible metallic soap dispersed throughout said resin composition.
Inventors
- 👤 Royden Carrington Rinker
- 👤 Joseph Michael Biglin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:54
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/34; B24D3/342; B24D3/344
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
31 words
Article of claim 1 wherein said soap is selected from zinc, calcium, lead, barium, strontium, aluminum and cadmium stearates and palmitates and mixtures thereof, said nonloading coating being dry and cured.
Claim 2
Dependent Claim
22 words
Article of claim 1 wherein said thermosetting resin is urea-formaldehyde, said thermoplastic resin is polyvinyl alcohol and said soap is zinc stearate.
Claim 3
Dependent Claim
18 words
Article of claim 1 including in said nonloading coating up to 25 parts by weight of a filler.
Claim 4
Dependent Claim
32 words
Article of claim 2 wherein amount of said resin composition is from 8 to 10 parts by weight and amount of said soap is also from 8 to 10 parts by weight.
Claim 5
Dependent Claim
19 words
Article of claim 1 wherein said article is sandpaper and said backing is selected from paper, cloth and plastic.
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) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |