US3244524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
U. v. absorbing composition
Assignee: GAF Chemicals Corp
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Filing: 1960-03-01
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Granted: 1966-04-05
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Expires: 1980-03-01
Abstract
No abstract record available.
Inventors
- 👤 Donald E Trucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:58
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/815; G03C1/8155
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
100 words
AN ULTRA-VIOLET ABSORBING COMPOSITION COMPRISING A HYDROPHILIC COLLOIDAL CARRIER CAPABLE OF FORMING A LIGHT TRANSMITTING SOLID FILM AT ORDINARY TEMPERATURE, SAID CARRIER HAVING UNIFORMLY DISPERSED THEREIN IN THE FORM OF PARTICLES HAVING A SIZE LESS THAN ONE MICRON, A SOLUTION OF A NONFLUORESCING, OIL-SOLUBLE U.V. ABSORBER IN A SUBSTANTIALLY WATER-INOLUBLE, A LOW MOLECULAR WEIGHT ORGANIC CRYSTALLIDAL MATERIAL HAVING A BOILING POINT ABOVE ABOUT 175*C. AND A HIGH SOLVENT ACTION FOR THE U.V. ABSORBER, AND HAVING DISSOLVED THEREIN A WATER-SOUBLE, FLUORESCENT U.V. ABSORBER, SAID FILM EXHIBITING A CUTOFF NEAR 400 MICRONS, HAVING A HIGH EXTINCTION COEFFICIENT AND BEING STABLE TO LIGHT.
Claim 2
Dependent Claim
100 words
AN ULTRA-VIOLET ABSORBING COMPOSITION COMPRISING A HYDROPHILIC COLLOIDAL CARRIER CAPABLE OF FORMING A LIGHT TRANSMITTING SOLID FILM AT ORDINARY TEMPERATURE, SAID CARRIER HAVING UNIFORMLY DISPERSED THEREIN IN THE FORM OF PARTICLES HAVING A SIZE LESS THAN ONE MICRON, A SOLUTION OF A NONFLUORESCING, OIL-SOLUBLE U.V. ABSORBER IN A SUBSTANTIALLY WATER-INOLUBLE, A LOW MOLECULAR WEIGHT ORGANIC CRYSTALLIDAL MATERIAL HAVING A BOILING POINT ABOVE ABOUT 175*C. AND A HIGH SOLVENT ACTION FOR THE U.V. ABSORBER, AND HAVING DISSOLVED THEREIN A WATER-SOUBLE, FLUORESCENT U.V. ABSORBER, SAID FILM EXHIBITING A CUTOFF NEAR 400 MICRONS, HAVING A HIGH EXTINCTION COEFFICIENT AND BEING STABLE TO LIGHT.
Claim 3
Dependent Claim
103 words
A LIGHT-SENSITIVE PHOTOGRAPHIC COLOR FILM HAVING A LAYER OF A HYDROPHILIC COLLOIDAL CARRIER CAPABLE OF FORMING A LIGHT TRANSMITTING SOLID FILM AT ORDINARY TEMPERATURES, SAID CARRIER HAVING UNIFORMLY DISPERSED THEREIN IN THE FORM OF PARTICLES HAVING A SIZE LESSS THAN ONE MICRON, A SOLUTION OF A NON-FLUORESCING, OIL-SOLUBLE U.V. ABSORBER IN A SUBSTANTIALLY WATER-INSOLUBLE, LOW MOLECULAR WEIGHT ORGANIC CRYSTOLLOIDAL MATERIAL HAVING A BOILING POINT ABOVE ABOUT 175*C. AND A HIGH SOLVENT ACTION FOR THE U.V. ABSORBER, AND HAVING DISSOLVED THEREIN A WATER-SOLUBLE FLUORESCENT U.V. ABSORBER, SAID FILM EXHIBITING A CUTOFF NEAR 400 MICRONS, HAVING A HIGH EXTINCTION COEFFICIENT AND BEING STABLE TO LIGHT.
Claim 4
Dependent Claim
103 words
A LIGHT-SENSITIVE PHOTOGRAPHIC COLOR FILM HAVING A LAYER OF A HYDROPHILIC COLLOIDAL CARRIER CAPABLE OF FORMING A LIGHT TRANSMITTING SOLID FILM AT ORDINARY TEMPERATURES, SAID CARRIER HAVING UNIFORMLY DISPERSED THEREIN IN THE FORM OF PARTICLES HAVING A SIZE LESSS THAN ONE MICRON, A SOLUTION OF A NON-FLUORESCING, OIL-SOLUBLE U.V. ABSORBER IN A SUBSTANTIALLY WATER-INSOLUBLE, LOW MOLECULAR WEIGHT ORGANIC CRYSTOLLOIDAL MATERIAL HAVING A BOILING POINT ABOVE ABOUT 175*C. AND A HIGH SOLVENT ACTION FOR THE U.V. ABSORBER, AND HAVING DISSOLVED THEREIN A WATER-SOLUBLE FLUORESCENT U.V. ABSORBER, SAID FILM EXHIBITING A CUTOFF NEAR 400 MICRONS, HAVING A HIGH EXTINCTION COEFFICIENT AND BEING STABLE TO LIGHT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |