Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 6576781 | Synthesis of pseudopterosin compounds The present invention is directed to the synthetic processes outlined in Schemes 1, 2 and 3, to the novel intermediates recited therein, and to the uses of these compounds as synthetic precursors to the pseudopterosins. Other embodiments and aspects of th... | 06/10/2003 |
| 6562542 | Image-forming material and novel sulfonic acid ester derivative An image-forming material is described, comprising on an support an acid-generating agent selected from a sulfonic acid ester of a specific structure generating an acid by the action of heat and the polymer thereof, and a compound causing a light absorpti... | 05/13/2003 |
| 6040470 | Sulfonyl compound and thermalsensitive recording medium using the same There is provided a developer composition including at least one of sulfonyl compounds represented by formula (1) and at least one of sulfonyl compounds represented by formula 2: ##STR1## wherein X is H or lower alkyl, R1, R2, R... | 03/21/2000 |
| 6020513 | Dihydronaphthalene and naphthalene compounds, intermediates, formulations, and methods The instant invention provides dihydronaphthalene and naphthalene compounds, intermediates, formulations, and methods for use in the treatment of bone loss or bone resorption.... | 02/01/2000 |
| 5804532 | Herbicidal 2-cyano-1,3-diones Herbicides derived from 2-cyano-1,3-diones have the formula: ##STR1## wherein R, R1, R2 R3, R4 and R5 are as defined in the description. The compounds are intended for use pre- and post-emergence... | 09/08/1998 |
| 5792762 | Dihydrobenzofluorene compounds, intermediates, compositions and methods The invention provides dihydronaphthofluorene compounds, formulations, and methods of inhibiting bone loss or bone resorption, particularly osteoporosis, and cardiovascular-related pathological conditions.... | 08/11/1998 |
| 5670691 | Method for making a substituted benzene compound A method for making a substituted benzene compound includes reacting a 2-substituted benzenesulfonate or the 2-substituted benzenesulfonate further substituted in the 3, 4 or 5-position with a lithium compound to form an intermediate; and reacting the int... | 09/23/1997 |
| 5340837 | Benzophenonehydrazones Compounds of the formula ##STR1## wherein each of o and p, independently of the other, is 0, 1, 2, 3, 4 or 5, the radicals R1 being the same or different when o is greater than 1 and the radicals R2 being the same or different w... | 08/23/1994 |
| 5228898 | Substituted bicycloheptandione derivatives This invention relates to substituted bicycloheptadione derivatives with high herbicidal activity which are represented by general formula (I) ##STR1## (where R1 is a lower alkyl group, a phenyl group which may be substituted, an aralkyl g... | 07/20/1993 |
| 5194651 | Tosylation of alcohols A process is disclosed for the preparation of aliphatic toluenesulfonates. The process comprises reacting a solution of an aliphatic alcohol and an alkali metal hydroxide in a solution of an aprotic solvent with toluenesulfonyl chloride for from about 1 t... | 03/16/1993 |
| 5189165 | Process for the preparation of 1,1-disubstituted cyclopropane derivatives A process for preparing a compound I ##STR1## with A=t-butyl, aryl and R=alkyl, alkenyl, alkynyl, alkenynyl, cycloalkyl(alkyl), aryl, arylalkyl, alkyl-S-(-O)-aryl by reacting a compound III ##STR2## with a compound IV ##STR3## under th... | 02/23/1993 |
| 5130462 | Cyclobutane derivatives Cyclobutane derivatives of the formulas ##STR1## wherein P is a hydroxy protecting group and X is a leaving group are useful intermediates in the preparation of antiviral compounds.... | 07/14/1992 |
| 5126345 | Bis (hydroxymethyl) cyclobutyl triazolopyrimidines Antiviral activity is exhibited by compounds having the formula ##STR1## and its pharmaceutically acceptable salts wherein R1 is ##STR2## R6 is hydrogen, alkyl, substituted alkyl, or aryl; and R7 and R8 | 06/30/1992 |
| 5110989 | Herbicidal compounds and compositions The invention concerns novel compounds of the formula I ##STR1## wherein: W are selected from alkyl, alkenyl and alkynyl; X are selected from halogen, nitro, cyano, alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, alkenyl, alkynyl, alkenylox... | 05/05/1992 |
| 5110975 | Isocyanatoalkyl sulphonates and a process for their preparation Isocyanatoalkyl sulphonates of the general formula ##STR1## wherein the substituent meanings are as given in the description are obtained by reacting the corresponding isocyanatoalkyl halides with sulphonic acid esters of the formula ##STR2## ... | 05/05/1992 |
| 5089046 | Aryl and heteroaryl diones Cyclic 1-one-2-ene-3-ol compounds substituted in 2-position by an aroyl or heteroaroyl group bearing a hydrocarbylsulfonyloxy or hydrocarbylsulfonylamino substituent exhibiting herbicidal activity.... | 02/18/1992 |
| 5015644 | Antihyperlipidemic and antiatherosclerotic urea and carbamate compounds Certain substituted urea, thiourea, carbamate, and thiocarbamate compounds are potent inhibitors of the enzyme acyl-CoA: cholesterol acyltransferase and are thus useful agents for inhibiting the intestinal absorption of cholesterol, and for lowering blood... | 05/14/1991 |
| 4971959 | Trisubstituted phenyl analogs having activity for congestive heart failure Novel trisubstituted phenyl analogs are now found to have activity as for the treatment of congestive heart failure.... | 11/20/1990 |
| 4954446 | Aromatic steroid 5--reductase inhibitors Invented are substituted acrylate analogues of steroidal synthetic compounds, pharmaceutial compositions containing the compounds, and methods of using these compounds to inhibit steroid 5--reductase including using these compounds to reduce prosta... | 09/04/1990 |
| 4921526 | Substituted bicycloakly-1,3-diones Substituted benzoyl-bicycloalkyl-1,1,3-diones and related compounds, intermediates therefor, synthesis thereof, and the use of said diones for the control of weeds.... | 05/01/1990 |
| 4913851 | Asymmetric synthesis of natural vitamin E. An asymmetric synthesis for Vitamin E in an optically active pure form for 4-(2,5-diloweralkanoyloxy)-3,4,6-trimethylphenyl-butan-2-one and intermediates therein.... | 04/03/1990 |
| 4914128 | Acrylates and fungicides which contain these compounds Acrylates of the general formula ##STR1## where R1 and R2 independently of one another are each C1 -C8 -alkyl, X is hydrogen, C1 -C4 -alkyl, halogen, C1 -C4 -alko... | 04/03/1990 |
| 4855085 | Asymmetric synthesis of natural vitamin E An asymmetric synthesis for Vitamin E in an optically active pure form for 4-(2,5-diloweralkanoyloxy)-3,4,6-trimethylphenyl-butan-2-one and intermediates therein.... | 08/08/1989 |
| 4837307 | [1,1'-biphenyl]compounds having a 2,2'-(alkyl)bridge and a 3-yl(substituted)methyl substituent A 2,2'-bridged[1,1'-biphenyl]-3-ylmethyl compound of the following formula is an intermediate to insecticidal esters. ##STR1## wherein n is 1-4 and Y is a leaving group readily displaced by carboxylate anions.... | 06/06/1989 |
| 4736055 | Oxime sulfonates containing reactive groups Oxime sulfonates of formula I ##STR1## wherein Y is a polymerizable unsaturated group or epoxide group or an --OH, --NHR5, --COOH, COOR6, --COCl, --CH2 Hal, --SO2 Cl or --NCO group, Z is an (x+y)-valent con... | 04/05/1988 |
| 4691040 | Derivatives of 10,11-dihydro-5H-dibenzo[a,d]cycloheptene-5-ethanol 1-[2-(4,5,10,11-Tetrahydro-1H-dibenzo[a,d]cyclohepten-5-yl)ethyl]pyrrolidin e of the formula ##STR1## and its pharmaceutically acceptable acid addition salts, prepared through various intermediates, are described. The compounds have valuable hist... | 09/01/1987 |
| 4658044 | Intermediates for uracil derivatives Compounds of formula (C) ##STR1## where either RD represents a hydroxymethyl group and RE represents a hydroxyl group or RD represents a protected hydroxymethyl group and RE represents a protected hydroxyl ... | 04/14/1987 |
| 4652303 | Herbicidal 5-(acylphenyl)cyclohexane-1,3-dione derivatives The invention concerns novel compounds of the formula I ##STR1## wherein: W are selected from the group consisting of: the groups R5 --CO-- and R5 --CS-- wherein: R5 is selected from alkenyl, alkynyl, benzyl, phenyl, subst... | 03/24/1987 |
| 4640706 | Cyclohexenonecarboxylic acid derivatives with herbicidal and plant growth regulating properties Novel cyclohexenonecarboxylic acid derivatives exhibit herbicidal and plant growth regulating activity. The cyclohexenonecarboxylic derivatives are of the formula I ##STR1## wherein A is an aliphatic or aromatic alcohol, or is an amino group which ma... | 02/03/1987 |
| 4600785 | Processes and intermediates for making 16-phenoxy and 16-substituted phenoxy-prostatrienoic acid derivatives This invention relates to a process for making an enantiomer or racemic mixture of a compound of the formula ##STR1## wherein R is hydrogen, lower alkyl or a pharmaceutically acceptable, non-toxic salt of a compound wherein R is hydrogen; X is hydrog... | 07/15/1986 |
| 4571436 | Process for producing optically active cyclopentenolones Optically active cyclopentenolones, which are useful as an intermediate of pyrethroid insecticides, are produced from racemic cyclopentenolones according to the following procedures; (1) asymmetric hydrolysis of racemic carboxylate esters of the cyclopent... | 02/18/1986 |
| 4514416 | Amidine compound, process for producing same and anti-complement agent comprising same Amidino compounds represented by the formula (I) ##STR1## and pharmaceutically acceptable acid addition salts thereof are novel compounds and are useful as powerful antitrypsine, antiplasmin, antikallikrein and anti-thrombin agents. Having strong ant... | 04/30/1985 |
| 4514418 | 2,2-Dihalogeno-3,3-dimethylcyclopropane derivative fungicides A 2,2-dihalogeno-3,3-dimethylcyclopropylmethyl derivative of the formula ##STR1## in which X and Y each independently is halogen, R is a hydrogen atom or a methyl group, Z is a cyano group, a thiocyano group, a group of the formula ##STR2## or a gro... | 04/30/1985 |
| 4513002 | Cycloheptene derivatives 1-[2-(4,5,10,11-Tetrahydro-1H-dibenzo[a,d]cyclohepten-5-yl)ethyl]pyrrolidin e of the formula ##STR1## and its pharmaceutically acceptable acid addition salts, prepared through various intermediates, are described. The compounds have valuable hist... | 04/23/1985 |
| 4504490 | Substituted benzenesulfonic esters and their use as medicaments for combatting helminths New benzenesulfonic esters of the formula I ##STR1## and a process for their preparation are described. The new compounds are active against helminths and can thus be used as agents to counter worms in humans and animals.... | 03/12/1985 |
| 4480118 | Carboxylic acid ester and an insecticidal and/or acaricidal composition containing the same This invention relates to a novel carboxylic acid ester represented by the following general formula (I) and an insecticidal and/or acaricidal composition containing the same as an active ingredient: ##STR1## wherein X is represented by the formula, ... | 10/30/1984 |
| 4396553 | Tetrahydronaphthalene and indane compounds useful as anti-tumor agents This invention is directed to tetrahydronaphthalene and indane compounds and processes thereto. These compounds are useful as tumor inhibiting agents, in the treatment of neoplasms and dermatological conditions.... | 08/02/1983 |
| 4357078 | Liquid crystal compounds containing an alicyclic ring and exhibiting a low dielectric anisotropy and liquid crystal materials and devices incorporating such compounds Novel liquid crystal compounds exhibiting a low dielectric anisotropy have a structural formula: ##STR1## where R1 is an alkyl group, R2 is a group containing an alkyl group R and is either an alkyl group R, an alkoxy group OR, ... | 11/02/1982 |
| 4344893 | Pesticide compounds Novel compounds are described which are substituted benzophenone hydrazones. They have pesticidal activity, especially against insects and acarids, and pesticidal compositions and methods are described. Methods of making the compounds, and novel intermedi... | 08/17/1982 |
| 4331680 | Pesticidal compounds, compositions and methods Novel compounds are described which are substituted benzophenone hydrazones. They have pesticidal activity, especially against insects and acarids, and pesticidal compositions and methods are described. Methods of making the compounds, and novel intermedi... | 05/25/1982 |
