US3130052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing, by photographic agency, internal and/or external images on and/or in macromolecular supports with mercury and silver salts germ introduction baths
Assignee: US Philips Corp
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Filing: 1960-07-11
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Granted: 1964-04-21
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Expires: 1980-07-11
Abstract
No abstract record available.
Inventors
- 👤 Dippel Cornelis Johannes
- 👤 Jonker Hendrik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:40
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/18; H05K3/181; H05K3/182; H05K3/185; G; G03; G03C; G03C1/00; G03C1/52; G03C1/62; G03C5/00; G03C5/58; H01; H01B; H01B1/00; H05K3/105; H05K3/106; Y; Y10; Y10S; Y10S430/00; Y10S430/137
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A METHOD OF PRODUCING NOBLE-METAL IMAGES ON NONMETALLIC SUPPORTS WHICH METHOD COMPRISES SENSITIZING A NON-METALLIC SUPPORT BY TREATING SAID SUPPORT WITH A LIGHTSENSITIVE COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROXY-BENZENE DIAZONIUM COMPOUNDS, HYDROXY-NAPHTHALENE DIAZONIUM COMPOUNDS, AROMATIC DIAZO SULFONATES, SULFITO-DIETHYLENE-DIAMINE COBALTIC CHLORIDE AND O-NITROMANDELIC ACID NITRILE, EXPOSING SAID SENSITIZED SUPPORT TO LIGHT, TREATING SAID EXPOSED SUPPORT WITH AN AQUEOUS NUCLEUS INTRODUCTION SOLUTION CONTAINING A MERCUROUS SALT IN A CONCENTRATION OF MORE THAN 1 UMOL/LITER AND A SILVER SALT IN A CONCENTRATION OF AT LEAST TWICE OF THE MERCUROUS SALT TO THEREBY PRODUCE A LATENT METALLIC IMAGE ON SAID SUPPORT AND THEN DEVELOPING SAID LATENT METALLIC IMAGE BY APPLYING TO SAID LATENT METALLIC IMAGE AN AQUEOUS SOLUTION OF A REDUCIBLE COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF GOLD, SILVER, PLATINUM AND MERCURY AND AN ORGANIC REDUCING AGENT CAPABLE OF REDUCING SAID REDUCIBLE COMPOUND TO METAL.
Claim 2
Independent Claim
147 words
A METHOD OF PRODUCING NOBLE-METAL IMAGES ON NONMETALLIC SUPPORTS WHICH METHOD COMPRISES SENSITIZING A NON-METALLIC SUPPORT BY TREATING SAID SUPPORT WITH A LIGHTSENSITIVE COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROXY-BENZENE DIAZONIUM COMPOUNDS, HYDROXY-NAPHTHALENE DIAZONIUM COMPOUNDS, AROMATIC DIAZO SULFONATES, SULFITO-DIETHYLENE-DIAMINE COBALTIC CHLORIDE AND O-NITROMANDELIC ACID NITRILE, EXPOSING SAID SENSITIZED SUPPORT TO LIGHT, TREATING SAID EXPOSED SUPPORT WITH AN AQUEOUS NUCLEUS INTRODUCTION SOLUTION CONTAINING A MERCUROUS SALT IN A CONCENTRATION OF MORE THAN 1 UMOL/LITER AND A SILVER SALT IN A CONCENTRATION OF AT LEAST TWICE OF THE MERCUROUS SALT TO THEREBY PRODUCE A LATENT METALLIC IMAGE ON SAID SUPPORT AND THEN DEVELOPING SAID LATENT METALLIC IMAGE BY APPLYING TO SAID LATENT METALLIC IMAGE AN AQUEOUS SOLUTION OF A REDUCIBLE COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF GOLD, SILVER, PLATINUM AND MERCURY AND AN ORGANIC REDUCING AGENT CAPABLE OF REDUCING SAID REDUCIBLE COMPOUND TO METAL.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |