US3818371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser containing an organic dye lasing composition
Assignee: Eastman Kodak Co
•
Filing: 1971-10-18
•
Granted: 1974-06-18
•
Expires: 1991-10-18
Abstract
Abstract A laser containing an aqueous dye lasing solution is disclosed wherein the dye solution contains a disaggregating compound which provides enhancement of the lasing output.
Inventors
- 👤 A Herz
- 👤 Golgin W Mc
- 👤 J Hayward
- 👤 O Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:49
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/14; H01S3/20; H01S3/213
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
15 words
The dye laser as described in claim 1 wherein the guanidine salt is guanidine thiocyanate.
Claim 2
Dependent Claim
14 words
The dye laser as described in claim 1 wherein the carbonyl compound is 4-hydroxy-6-methyl-1,3,3a,7-tetraazaindene.
Claim 3
Dependent Claim
23 words
The dye laser as described in claim 1 wherein the monoxide compound is selected from the group consisting of phosphineoxides, amineoxides and sulfoxides.
Claim 4
Dependent Claim
120 words
In a dye laser having (a) a lasing cavity containing a laser dye solution and (b) an excitation means operably coupled therewith and capable of producing stimulated emission of the laser dye solution, the improvement wherein said laser dye solution consists essentially of a lasing concentration of an aqueous-aggregating organic lasing dye in an aqueous solvent containing a disaggregating compound present in a concentration range of from about 0.0005 to about 0.1 mole per liter and selected from the group consisting of: anionic surfactants having the formula RA M ; cationic surfactants having the formula RB X ; zwitterionic surfactants having the formula ARB ; and non-ionic surfactants having a formula selected from the group of general formulas consisting of:
Claim 5
Dependent Claim
20 words
The dye laser as described in claim 5 wherein the anionic surfactant has a general formula of R-CO2O M or
Claim 6
Dependent Claim
19 words
The dye laser as described in claim 5 wherein the cationic surfactant has a general formula R-N (CH3)3X ,
Claim 7
Dependent Claim
16 words
The dye laser as described in claim 5 wherein the zwitterionic surfactant has a general formula:
Claim 8
Dependent Claim
46 words
The dye laser as described in claim 5 wherein the non-ionic surfactant is selected from the group consisting of polyalkylene oxides having the formula RO(CH2CH2O)L; glucosides; glyceryl ethers having the formula ROCH2-CHOH-CH2OH; monoxides of Group V and VI elements having the formulae R-PO-CH3, R-SO-CH3- or R-SO-CH2CH2OH.
References Cited (Backward Citations)
US3500230A
Cited
US3521187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |