Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7799927 | Indolestyryl compound and high density recording media utilizing the same An indolestyryl compound. The indolestyryl compound has formula (I): wherein Z1 comprises benzene, naphthalene, or heterocyclic ring containing O, S, or N, R2 comprises H, halo... | 09/21/2010 |
| 7709653 | Asymmetric cyanine compounds, their preparation methods and their uses Asymmetric cyanine compounds represented by general formula I are provided, wherein X, n, R1, R2, R3, R4 and Y− are as defined in the specification. They have a maximum absorption peak at about 640 nm which ma... | 05/04/2010 |
| 7338720 | Organic electroluminescent element An organic electroluminescent (EL) device which uses, as a luminescence-assisting agent, a novel coumarin derivative with a specific structure. The coumarin derivative effectively accelerates in such an organic EL device the transfer of excited energy in a host comp... | 03/04/2008 |
| 7252892 | Organic electroluminescence device An organic electroluminescent (EL) device which contains a novel coumarin derivative composed of a coumarin ring, a naphthalene ring with one or more hydrocarbon groups, and a five-membered hetero ring condensed with the naphthalene ring so as to give an electronic ... | 08/07/2007 |
| 7166715 | Nitro-substituted non-fluorescent asymmetric cyanine dye compounds The invention provides an asymmetric cyanine dye compound having the structure including substituted forms thereof, wherein, at least one of R1 and R2 is linking group, X is O, S, or Se, and... | 01/23/2007 |
| 6815459 | Seleno compounds containing nitrone moiety, their preparation and their therapeutic uses The present invention provides novel seleno compounds containing nitrone moiety, a process for preparing the same, the use of the novel compounds as therapeutics for treating and/or preventing various medical dysfunctions and diseases arising from reactive oxygen sp... | 11/09/2004 |
| 6800380 | Organometallic luminescent materials and organic electroluminescent device containing same An organometallic luminescent material comprising the compound of formula (I) of the present invention can emit pure blue light and have high thermal stability: wherein, M1 is a monovalent or tetravalen... | 10/05/2004 |
| 6750024 | Nitro-substituted non-fluorescent asymmetric cyanine dye compounds The invention provides an asymmetric cyanine dye compound having the structure including substituted forms thereof, wherein, at least one of R1 and R2 is linking group, X is O, S, or Se, and n range... | 06/15/2004 |
| 6706879 | Fluorescent dye The invention relates to fluorescent dyes. More particularly, the invention relates to fluorescent cyanine dyes, and especially to water soluble fluorescent cyanine dyes that contain additional sites for attachment to biomolecules. The invention provides a group of ... | 03/16/2004 |
| 6541618 | Nitro-substituted non-fluorescent asymmetric cyanine dye compounds The invention provides an asymmetric cyanine dye compound having the structure ##STR1## including substituted forms thereof, wherein, at least one of R1 and R2 is linking group, X is O, S, or Se, and n ranges from 0 to 2. The in... | 04/01/2003 |
| 6475730 | Detecting nucleic acids The present invention relates to a method of detecting nucleic acids and particularly to a method of analyzing for the presence and/or amount of a nucleic acid.... | 11/05/2002 |
| 6350431 | Compounds This invention provides a physiologically tolerable light imaging contrast agent compound having a molecular weight in the range 500 to 5000000 and containing at least two chromophores having delocalized electron systems as well as at least one polyalkyle... | 02/26/2002 |
| 6232470 | Substituted pyrazol-3-ylbenzazoles, their use as herbicides or desiccants/defoliants, and their preparation Substituted Pyrazol-3-ylbenzazoles I ##STR1## salts thereof, and their use as herbicides or for the desiccation/defoliation of plants.... | 05/15/2001 |
| 6197922 | Polyselenophenes, the preparation thereof and the use thereof Novel polyselenophenes comprising one or more structural units of the formulae (I) or (II) or (I) and (II) ##STR1## processes for preparing them, monomers for their preparation, their use in various technical sectors, and an electrically conducting materi... | 03/06/2001 |
| 6080868 | Nitro-substituted non-fluorescent asymmetric cyanine dye compounds The invention provides an asymmetric cyanine dye compound having the structure ##STR1## including substituted forms thereof, wherein, at least one of R1 and R2 is linking group, X is O, S, or Se, and n ranges from 0 to 2. The ... | 06/27/2000 |
| 6060495 | Pesticidal sulfur compounds Pyrazole, pyrrole and imidazole derivatives having formula (I) or (II): ##STR1## wherein .dbd.X is .dbd.NR3, .dbd.O or an electron pair and Q comprises certain pyrazole, pyrrole and imidazole structures which, together with the remaining s... | 05/09/2000 |
| 5932740 | Thioheterocyclic near-infrared dyes Disclosed is a novel near-infrared absorbing dye of formula: ##STR1## wherein X1, X2 independently represents --CR8 R9 --, --S--, --Se--, --NR10 --, --CH.dbd.CH-- or --O--; n is an integer of 2 or 3; ... | 08/03/1999 |
| 5925472 | Electroluminescent devices A metal chelate compound of the formula Ln --M+n (I) wherein M represents a metal; n is an integer, or number of from 1 to 3; and L is a ligand of ##STR1## wherein Ar is aryl; X is selected fro... | 07/20/1999 |
| 5424443 | Substituted benzothiazole derivatives, their preparation and use as herbicides The invention relates to new substituted benzothiazole derivatives of general formula (I), in which X, Y and Z have the meanings given in the description, processes for their preparation and their use as herbicides. ##STR1##... | 06/13/1995 |
| 5334333 | Electroactive compounds, compositions and devices and methods of making the same The present invention relates to electroactive compounds capable of undergoing a change in light absorption and refraction due to an applied electric field and a permanent change in refraction due to exposure to predetermined bands of optical radiation. T... | 08/02/1994 |
| 4966828 | Carbonylmethylene-heterocyclic compounds containing trihalogenomethyl groups, process for their preparation, and light-sensitive mixture containing the compounds Disclosed is a compound of the general formula ##STR1## wherein L=H or CO--(R1)n (CX3)m, M=alkylene, alkenylene, Q=S, Se, O, dialkylmethylene, alken-1,2-ylene, 1,2-phenylene or N-R, with M+Q together formin... | 10/30/1990 |
| 4774252 | Benzisoselenazolonyl derivatives and processes for the treatment of rheumatic disease The present invention relates to new benzisoselenazolonyl derivatives of the general formula (I) ##STR1## and processes for the treatment of rheumatic diseases.... | 09/27/1988 |
| 4680375 | Polymeric cyanine dye Tricarbocyanine polymeric dyes have formulae I and II: ##STR1## where Y can be ##STR2## --S--, --Se-- or --O--, A can be ##STR3## in which R19 can be alkyl or --Cl, and p can be 0 or 1, R6 and R7 inde... | 07/14/1987 |
| 4677053 | Silver halide photographic materials A silver halide photographic material comprising a support having thereon at least one silver halide photographic emulsion containing at least one infrared sensitizing dye represented by following general formula (I) ##STR1## and at least one compoun... | 06/30/1987 |
| 4619881 | Photoconductive composition and electro-photographic light-sensitive material containing a trisazo compound A photoconductive composition is disclosed, containing at least one trisazo compound represented by the following general formula (1): ##STR1## wherein Z represents ##STR2## R6 represents a hydrogen atom, a lower alkyl group, an aryl ... | 10/28/1986 |
| 4599410 | Oxachalcogenazole dyes and processes for their preparation Methine dyes are disclosed which contain a 2-halo or pseudohalo substituted 1,2,5-oxatellurazole ring fused with an aromatic nucleus, the aromatic nucleus being substituted with a methine linkage terminating in an auxochrome providing a conjugated resonan... | 07/08/1986 |
| 4596767 | Silver halide photographic light-sensitive material A silver halide photographic light-sensitive material spectrally sensitized in an infrared region is described. The silver halide photographic light-sensitive material has at least one silver halide photographic emulsion layer containing at least one infr... | 06/24/1986 |
| 4552828 | Direct positive silver halide photographic emulsion A direct positive silver halide photographic emulsion which is able to provide a high maximum density and a low minimum density and having a high developing progress. The emulsion contains at least one of the sensitizing dyes represented by following gene... | 11/12/1985 |
| 4504668 | Process for the preparation of N-sulfoalkyl quaternary salts of nitrogen heterocyclics Tertiary amines may be quaternized by heating them with a sulfoalkylating agent of this invention to a temperature of from 100° to 250° C. The sulfoalkylating agents which are believed to be hydroxy alkane sulfonic acid sulfoalkyl esters are free from s... | 03/12/1985 |
| 4501811 | Process for making lithographic printing plates Disclosed is a process for making a lithographic printing plate by utilizing the silver complex diffusion transfer process and using a neon-helium laser or an LED which comprises imagewise exposing to the radiation a photosensitive element including an em... | 02/26/1985 |
| 4474746 | Diagnostic radiopharmaceuticals for localization in target tissues exhibiting a regional pH shift relative to surrounding tissues A radiopharmaceutical chemical compound comprising a radioactive isotope, other than an isotope of iodine, in chemical combination with at least one amine group. The compound has a lipophilicity sufficiently high at a pH of 7.6 to permit passage of the co... | 10/02/1984 |
| 4469785 | Light-sensitive silver halide color photographic material There is disclosed a light-sensitive silver halide color photographic material having a silver halide emulsion layer containing at least one layer of a negative working silver halide on a support, comprising the negative working silver halide comprises at... | 09/04/1984 |
| 4469768 | Electrophotographic light-sensitive material comprising a charge-generating material and a charge-transporting material An electrophotographic light-sensitive material with an electrophotographic light-sensitive layer containing a charge-generating material and a charge-transporting material is described. The material is characterized in that the charge-generating material is a... | 09/04/1984 |
| 4418069 | Benzisoselenazolones and process for the treatment of rheumatic and arthritic diseases using them The present invention is related to new benzisoselenazolones having the general formula I ##STR1## new products having the general formula II ##STR2## used as intermediary products in the production of the compounds of formula I and a metho... | 11/29/1983 |
| 4256819 | Organic electrophotosensitive materials for migration imaging processes Electrophotosensitive materials having the structure ##STR1## wherein: Z1 and Z2 represent a basic type heterocyclic nucleus; Y represents N or a methine carbon C--G1 ; G1 and G2 may be the same or differe... | 03/17/1981 |
| 4193801 | Process for producing photographic silver halide material A method of incorporating water insoluble additives (e.g. sensitizing dyes) in colloid layers of photographic silver halide material is provided. The additives are dissolved in a fused water soluble organic compound (e.g. sorbitol or succinimide) and the ... | 03/18/1980 |
| 4028353 | Novel chemical compounds The present invention relates to photography and, more particularly, to a novel spectrally (optically) sensitized radiation recording photographic element which comprises a cyanine dye of the formula: ##STR1## wherein L represents a methine group; m ... | 06/07/1977 |
| 4026884 | Methyne dyes and photographic elements Novel methyne dyes comprising two auxochromic groups of the type used in a cyanine or merocyanine dye linked by a carbon atom chain wherein each of the carbon atoms have an unsaturated linkage to at least one adjacent carbon atom in the chain and at least... | 05/31/1977 |
| 4009176 | Conversion of 2-aminonaphtho[1,2 d] selenazole to 2-methylnaphtho[1,2 d] selenazole This invention relates to the new compound 2-aminonaphtho [1,2-d] selenazole of the formula ##STR1## Compound (I) is prepared by halogenating 1,2,3,4-tetrahydro-1-oxonaphthalene-3-sulphonate, reacting the halogenated compound with selenourea and... | 02/22/1977 |
| 3996215 | Styryl and butadienyl sulfa dye and process of producing the dye A styryl and butadienyl dye suitable as a filter dye or antihalation dye for photography having the formula ##STR1## wherein R represents a lower alkyl group, an unsubstituted or substituted sulfo lower alkyl group, an unsubstituted or substituted su... | 12/07/1976 |