US4353816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power conductive coating mixed with copper powder
Assignee: Asahi Chemical Research Laboratory Co Ltd
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Filing: 1981-01-19
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Granted: 1982-10-12
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Expires: 2001-01-19
Abstract
Abstract The power conductive coating is made of a combination in a liquid condition of 70-85 weight percent of copper powder, 15-30 weight percent of at least one selected from the group of phenol resin, epoxy resin, polyester resin and xylene resin, and a predetermined amount preferably 0.23-1.6 weight percent of at least one selected from the group of anthracene or the inducer thereof, anthranylic acid and anthrazine.
Inventors
- 👤 Yamahiro Iwasa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:41
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/22; C; C09; C09D; C09D5/00; C09D5/24; H05; H05K; H05K1/00; H05K1/02; H05K1/09; H05K1/092; H05K1/095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A power conductive coating consisting of a mixture in a liquid condition of 70-85 weight percent of copper powder, 15-30 weight percent of at least one selected from the group of phenol resin, epoxy resin, polyester resin and xylene resin, and 0.2-5 weight percent of at least one annex agent selected from the group of anthracene, anthracene carbonylic acid, anthranylic acid and anthrazine.
Claim 2
Dependent Claim
63 words
A power conductive coating consisting of a mixture in a liquid condition of 70-85 weight percent of copper powder, 15-30 weight percent of at least one selected from the group of phenol resin, epoxy resin, polyester resin and xylene resin, and 0.2-5 weight percent of at least one annex agent selected from the group of anthracene, anthracene carbonylic acid, anthranylic acid and anthrazine.
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) | 1985-10-11 | 1986-04-12 | 1986-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-11 | 1990-04-12 | 1990-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-11 | 1994-04-12 | 1994-10-12 | $7700.00 | Window Closed / Lapsed |