Carbamic Acid Patents (Class 560/148)
  • Patent number: 4578506
    Abstract: The title compounds, having the formula (RO.sub.2 CNHCH.sub.2).sub.3 PY where Y=oxygen or sulfur, are prepared by reacting a tetrakis(N-carbalkoxylaminomethyl)phosphonium salt having the formula (RO.sub.2 CNHCH.sub.2).sub.4 P.sup.+ X.sup.- with ammonia or a primary or secondary amine, followed by an oxidizing or sulfurizing agent. The products, after methylolation with formaldehyde, are useful as finishing agents for imparting flame retardant properties to cotton fabrics.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: March 25, 1986
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventor: Arlen W. Frank
  • Patent number: 4571430
    Abstract: Novel homocysteine thiolactone bifunctional chelating agents useful for chelating radionuclides to produce a radiodiagnostic agent for use in vivo imaging and a method for producing this chelating agent.
    Type: Grant
    Filed: November 28, 1983
    Date of Patent: February 18, 1986
    Assignee: Medi-Physics, Inc.
    Inventors: Edmund F. Byrne, Glen L. Tolman
  • Patent number: 4556483
    Abstract: New and improved collector compositions for use in froth flotation processes for the beneficiation of mineral values from base metal sulfide ores are disclosed. The collector compositions comprise at least one hydrocarboxycarbonyl thiourea compound selected from compounds of the formula: ##STR1## wherein R.sup.1 is hydrogen or R.sup.2 ; R.sup.2 is selected from saturated and unsaturated hydrocarbyl radicals, hydrocarboxy radicals and aromatic radicals; and R.sup.3 is selected from saturated and unsaturated hydrocarbyl radicals, alkyl polyether radicals and aromatic radicals, said R.sup.2 and R.sup.3 radicals, optionally, and independently, being substituted by polar groups selected from halogen, nitrile and nitro groups. The use of the hydrocarboxycarbonyl thiourea collectors provides excellent metallurgical recoveries of sulfide mineral values in froth flotation processes conducted over a very broad range of pH including acid, neutral and mildly alkaline pH.
    Type: Grant
    Filed: August 17, 1984
    Date of Patent: December 3, 1985
    Assignee: American Cyanamid Company
    Inventors: Yun-Lung Fu, Samuel S. Wang
  • Patent number: 4551472
    Abstract: Unsymmetrical N-substituted bis-carbamoyl sulfide compounds exhibit exceptional broad spectrum pesticidal activity coupled with extremely low mammalian toxicity and phytotoxicity.
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: November 5, 1985
    Assignee: Union Carbide Corporation
    Inventor: Themistocles D. J. D'Silva
  • Patent number: 4535167
    Abstract: Chiral N-protected, N-substituted .alpha.-amino acids are described. These compounds are prepared by condensation of an N-protected .alpha.-amino acid with an aldehyde followed by the selective reductive cleavage of an oxazolidinone intermediate.
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: August 13, 1985
    Assignee: Merck & Co. Inc.
    Inventor: Roger M. Freidinger
  • Patent number: 4500726
    Abstract: Poly(oxyalkylene) glycols and polymer-supported poly(oxyalkylene) alcohols are employed as phase-transfer reagents in blocking primary amino functionality of alkali metal salts of amino acids with a benzyloxycarbonyl group.
    Type: Grant
    Filed: May 23, 1984
    Date of Patent: February 19, 1985
    Assignee: PPG Industries, Inc.
    Inventor: James A. Krogh
  • Patent number: 4484001
    Abstract: Crown ethers and silacrown ethers are employed as phase-transfer reagents in blocking primary amino functionality of alkali metal salts of amino acids with a benzyloxycarbonyl group.
    Type: Grant
    Filed: November 18, 1983
    Date of Patent: November 20, 1984
    Assignee: PPG Industries, Inc.
    Inventor: James A. Krogh
  • Patent number: 4482737
    Abstract: N-substituted N-isocyanatocarbonyl-carbamates, some of which are new, of the general formula ##STR1## are prepared by reacting an N-substituted carbamic acid ester of the general formulaR--NH--COOR.sup.1 (II)with chlorocarbonyl isocyanate of the formulaCl--CO--NCO (III)in a diluent, at a temperature between 50.degree. and 200.degree. C. The compounds (I) can be used as intermediate products for the preparation of new pest-combating agents.
    Type: Grant
    Filed: November 3, 1982
    Date of Patent: November 13, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Engelbert Kuhle, Hermann Hagemann
  • Patent number: 4480110
    Abstract: A process for the preparation of N,O-disubstituted urethanes. A substituted urea, an alcohol and a compound taken from the group consisting of N-unsubstituted urethanes, urea, polyurets and mixtures thereof at a temperature of 120.degree.-350.degree. C. The urethanes prepared by this process are particularly suitable for the preparation of isocyanates.
    Type: Grant
    Filed: January 9, 1984
    Date of Patent: October 30, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Peter Heitk/a/ mper, Rudolf Fauss, Kurt Findeisen, Stefan Penninger, Hans-Joachim Scholl
  • Patent number: 4479002
    Abstract: Carbamate-carbamoyl fluoride compounds are useful intermediates for the production of insecticidal bis-carbamate compounds.
    Type: Grant
    Filed: December 1, 1975
    Date of Patent: October 23, 1984
    Assignee: Union Carbide Corporation
    Inventor: Wei C. Liang
  • Patent number: 4474806
    Abstract: Sulfonyl or carbonyl derivatives of inositols are found to be effective phospholipase C inhibitors and thereby potent anti-inflammatory and analgesic agents. These inositol derivatives are prepared by condensation of a protected inositol with a substituted sulfonic or carboxylic acid derivative followed by removal of protecting groups.
    Type: Grant
    Filed: May 10, 1982
    Date of Patent: October 2, 1984
    Assignee: Merck & Co., Inc.
    Inventors: Thomas R. Beattie, Shu S. Yang
  • Patent number: 4474808
    Abstract: N-Sulphenylated biuret-N"-carboxylic acid esters of the general formula ##STR1## in which R.sup.1 and R.sup.2 can be identical or different and represent an optionally substituted aliphatic, cycloaliphatic, aromatic or araliphatic radical,R.sup.3 represents a hydrogen atom or an optionally substituted aliphatic, cycloaliphatic, araliphatic or aromatic radical andR.sup.4 represents a trihalogenomethyl radical,are obtained by the reaction of an acyl isocyanate of the general formula ##STR2## with a sulphenamide of the general formula ##STR3## if appropriate in the presence of a diluent. The compounds of the formula (I) are new. They can be used as pest-combating agents which are microbicides, especially fungicides or bactericides.
    Type: Grant
    Filed: November 3, 1982
    Date of Patent: October 2, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Engelbert Kuhle, Paul Reinecke, Karl-Heinz Kuck
  • Patent number: 4460601
    Abstract: Dipeptides are claimed which consist of a mercaptoalkanoic acid and a derivative of said acid, namely an S-alkyl-, aralkyl-, aryl-, acyl- or aroyl derivative with methionine, a methionine ester or a methionine amide, as well as their salts with metallic cations and organic bases. These compounds have the property of protecting the liver against intoxications and have sedative and hypnotic properties.
    Type: Grant
    Filed: December 21, 1982
    Date of Patent: July 17, 1984
    Assignee: Maggioni Farmaceutici, S.p.A.
    Inventors: Giampaolo Picciola, Franco Ravenna, Mario Riva
  • Patent number: 4454336
    Abstract: This disclosure describes a novel process for the synthesis of 5-mercapto-1,2,3-thiadiazoles which are useful as intermediates in the preparation of antibacterial agents.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: June 12, 1984
    Assignee: American Cyanamid Company
    Inventors: William V. Curran, Martin L. Sassiver, James H. Boothe
  • Patent number: 4394519
    Abstract: Process for the preparation of peptides including higher polypeptides utilizing indenylmethoxycarbonyl blocking groups and products produced thereby.
    Type: Grant
    Filed: January 19, 1982
    Date of Patent: July 19, 1983
    Assignee: Research Corporation
    Inventors: Louis A. Carpino, Beri Cohen
  • Patent number: 4394383
    Abstract: A novel class of chemical compounds useful as pesticides consists of N-alkoxysulfenylcarbamate esters. The preparation of these compounds, their physical properties, formulations, and use to control both household insects and crop pests are exemplified.
    Type: Grant
    Filed: September 28, 1981
    Date of Patent: July 19, 1983
    Assignee: Regents of the University of California
    Inventors: Mitsuyasu Kawata, Noriharu Umetsu, Tetsuo R. Fukuto
  • Patent number: 4374248
    Abstract: Histamine H.sub.2 -antagonists of the formula ##STR1## wherein p is 1 or 2; R.sup.1 is hydroxy, amino, substituted amino or a 5- to 9-membered fully saturated nitrogen-containing heterocyclic ring attached via its nitrogen atom; m is an integer of from 0 to 2; n is an integer of from 2 to 4; Z is sulfur, oxygen or methylene; and A is an optionally substituted phenyl, imidazolyl, thiazolyl, isothiazolyl, oxazolyl, isoxazolyl, triazolyl, thiadiazolyl, oxadiazolyl, furyl, thienyl or pyridyl ring; and nontoxic pharmaceutically acceptable salts, hydrates, solvates or N-oxides thereof are novel anit-ulcer agents. Intermediates and processes for their preparation are disclosed.
    Type: Grant
    Filed: June 23, 1981
    Date of Patent: February 15, 1983
    Assignee: Bristol-Myers Company
    Inventors: Ronnie R. Crenshaw, Aldo A. Algieri
  • Patent number: 4364959
    Abstract: Compounds of the formula I ##STR1## wherein R.sub.1 is methyl or ethyl,R.sub.2 is C.sub.1 -C.sub.8 -alkyl or C.sub.3 -C.sub.8 -cycloalkyl andR.sub.3 is hydrogen, C.sub.1 -C.sub.6 -alkoxy or cyclopropylpossess valuable pesticidal, in particular insecticidal, properties.
    Type: Grant
    Filed: June 20, 1978
    Date of Patent: December 21, 1982
    Assignee: Ciba-Geigy Corporation
    Inventors: Jozef Drabek, Manfred Boger
  • Patent number: 4359467
    Abstract: Prostanoic acid derivatives of the formula ##STR1## wherein R.sub.1 is an acid, ester, amide or hydroxyalkylene group; R.sub.2 and R.sub.3 are H or alkyl; R.sub.4 and R.sub.5 are both CH.sub.3 or one is Cl and the other is CH.sub.3 ; A is CH.sub.2 CH.sub.2 or --CH.dbd.CH; B is CH.sub.2 CH.sub.2, trans- ##STR2## W is free or functionally modified hydroxyalkylene or carbonyl; Z is free or functionally modified hydroxymethylene or carbonyl; X Y is either ##STR3## or, when Z is free or functionally modified hydroxymethylene, ##STR4## or, when Z is free or functionally modified carbonyl, --CH.dbd.CH--, R.sub.12 being H, CH.sub.3, CN or free or functionally modified hydroxy; and physiologically acceptable salts thereof when R.sub.1 is an acid group, possess pharmacological activity, including abortion triggering activity.
    Type: Grant
    Filed: April 22, 1981
    Date of Patent: November 16, 1982
    Assignee: Schering Aktiengesellschaft
    Inventors: Helmut Vorbruggen, Norbert Schwarz, Olaf Loge, Walter Elger
  • Patent number: 4344883
    Abstract: N-chlorosulfinylcarbamate esters are produced by the reaction of thionyl chloride with carbamate esters having one unsubstituted hydrogen on the carbamate nitrogen atom, preferably in the presence of a hydrogen chloride acceptor. The resulting N-chlorosulfinylcarbamate esters are useful intermediates in the preparation of pesticides having relatively low mammalian toxicity.
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: August 17, 1982
    Assignee: The Regents of the University of California
    Inventors: Mohamed A. H. Fahmy, Tetsuo R. Fukuto
  • Patent number: 4336402
    Abstract: A process for the preparation of N-alkyl-monosubstituted carbamic acid esters by reacting an unsubstituted carbamic acid ester and an aliphatic primary amine at a suitable pressure and reaction temperature in the presence of a monohydric aliphatic alcohol and preferably in the presence of a strongly basic tertiary amine as catalyst. Optionally an inert co-solvent in addition to the alcohol may be employed.
    Type: Grant
    Filed: July 30, 1980
    Date of Patent: June 22, 1982
    Assignee: Atlantic Richfield Company
    Inventors: Samuel J. Falcone, John J. McCoy
  • Patent number: 4335138
    Abstract: Novel carbamates derived from substituted cyclic .beta.-keto-alcohols, their preparation, and pharmaceutical formulations which contain these compounds and which may be used as hypnotics in the treatment of sleep disturbance and as sedatives.
    Type: Grant
    Filed: September 15, 1980
    Date of Patent: June 15, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Walter-Wielant Wiersdorff, Karl-Heinz Geiss, Harald Weifenbach, Wolfgang Worstmann, Dieter Lenke, Rolf Kretzschmar
  • Patent number: 4329293
    Abstract: An improved process is disclosed for sulfenylating carbamates in the presence of a solvent and acid acceptor, in which the reaction between a carbamate and a sulfenyl halide is conducted in the presence of a catalytic amount of a complex of a lower alkylamine and sulfur dioxide. Several methods for preparing and utilizing the complex in the reaction are disclosed and exemplified.
    Type: Grant
    Filed: October 31, 1980
    Date of Patent: May 11, 1982
    Assignee: FMC Corporation
    Inventors: John W. Ager, Maurice J. C. Harding, Charles E. Hatch, III
  • Patent number: 4329481
    Abstract: Disclosed is 2 and a process for its preparation: ##STR1## It is useful in the synthesis of N-formimidoyl thienamycin; R.sup.2 is hydrogen or a protecting group.
    Type: Grant
    Filed: April 17, 1981
    Date of Patent: May 11, 1982
    Assignee: Merck & Co., Inc.
    Inventors: Thomas M. H. Liu, Robert A. Reamer, Ichiro Shinkai, Meyer Sletzinger
  • Patent number: 4327034
    Abstract: Sulfamic acid halides and processes for the preparation of sulfamic acid halides by reaction of monosubstituted sulfamic acid halides with halogen compounds in the presence of specific amounts of a basic compound and in the presence of an organic solvent, if desired with subsequent treatment with water at a pH of at most 7. The compounds obtainable by the process of the invention, some of which are new, are valuable starting materials for the preparation of crop protection agents, dyes and drugs.
    Type: Grant
    Filed: June 25, 1979
    Date of Patent: April 27, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Gerhard Hamprecht, Adolf Parg, Karl-Heinz Koenig
  • Patent number: 4316910
    Abstract: Substituted 2-carbamoyloximino-butanes of the formula ##STR1## in which R is alkyl or alkylthioalkyl,R.sup.1 is alkyl, alkoxyalkyl, alkenyl or alkynyl,R.sup.2 is hydrogen, alkyl or --SR.sup.3,R.sup.3 is alkyl, halogenoalkyl, optionally substituted phenyl, alkoxycarbonyl, --N(CH.sub.3)R.sup.4, or a radical identical to that to which --SR.sup.3 is bonded,R.sup.4 is alkyl, alkoxycarbonyl or optionally substituted phenylsulphonyl,X is hydrogen or halogen,Y is hydrogen or halogen,Z is halogen, andn is 0, 1 or 2,which possess arthropodicidal activity.
    Type: Grant
    Filed: August 11, 1980
    Date of Patent: February 23, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Jorg Stetter, Bernhard Homeyer, Ingeborg Hammann, Hans-Ludwig Elbe
  • Patent number: 4315026
    Abstract: A novel class of chemical compounds useful as pesticides consists of alkylpolyoxysulfinyl and alkylpolythiosulfinyl derivatives of carbamate esters. The preparation of these compounds and their formulation to control insects are exemplified.
    Type: Grant
    Filed: April 11, 1980
    Date of Patent: February 9, 1982
    Assignee: The Regents of the University of California
    Inventors: Mohamed A. H. Fahmy, Tetsuo R. Fukuto, Teruomi Jojima
  • Patent number: 4308274
    Abstract: A novel class of chemical compounds useful as pesticides consists of N-alkylsulfonyl-, N-arylsulfonyl-, and N-aminosulfonylaminosulfinylcarbamate esters. The preparation of these compounds and their formulation to control insects are exemplified.
    Type: Grant
    Filed: April 2, 1979
    Date of Patent: December 29, 1981
    Assignee: The Regents of the University of California
    Inventors: Mohamed A. H. Fahmy, Tetsuo R. Fukuto
  • Patent number: 4303669
    Abstract: Novel hybrid 1,3-dione-carbamate compounds which exhibit utility as insecticides and acaricides. Also included are insecticidal and acaricidal compositions containing these compounds and a method of controlling insects and acarids.
    Type: Grant
    Filed: March 25, 1980
    Date of Patent: December 1, 1981
    Assignee: Union Carbide Corporation
    Inventor: Themistocles D. J. D'Silva
  • Patent number: 4299974
    Abstract: Disclosed is a process for preparing N-protected 2-aminoethanethiol which proceeds via the silyl covered sulfur intermediate: ##STR1## wherein R.sup.1 is triorganosilyl and R.sup.2 is a readily removable N-protecting group.
    Type: Grant
    Filed: June 16, 1980
    Date of Patent: November 10, 1981
    Assignee: Merck & Co., Inc.
    Inventors: Thomas M. H. Liu, Ichiro Shinkai, Meyer Sletzinger
  • Patent number: 4293501
    Abstract: The present invention relates to sodium, thallium, silver or lithium salts of the compoundHS--CH=CHNHC(O).sub.n R.sub.6wherein n is 1 or 2, R.sub.6 is alkyl, phenyl or substituted phenyl. The salts are useful as reagents for the preparation of sulfur containing Clavulanic acid derivatives.
    Type: Grant
    Filed: December 14, 1979
    Date of Patent: October 6, 1981
    Assignee: Beecham Group Limited
    Inventors: Roger J. Ponsford, Andrew J. G. Baxter, Robert Southgate
  • Patent number: 4292436
    Abstract: Disclosed is 2 and a process for its preparation: ##STR1## It is useful in the synthesis of N-formimidoyl thienamycin; R.sup.2 is hydrogen or a protecting group.
    Type: Grant
    Filed: June 25, 1980
    Date of Patent: September 29, 1981
    Assignee: Merck & Co., Inc.
    Inventors: Thomas M. H. Liu, Robert A. Reamer, Ichiro Shinkai, Meyer Sletzinger
  • Patent number: 4281121
    Abstract: 1,3,4-thiadiazole-2-carboxylic acid derivatives of the formula ##STR1## wherein R is C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkinyl or C.sub.3 -C.sub.6 -cycloalkyl,R.sub.1 is C.sub.1 -C.sub.6 -alkoxycarbonyl, aminocarbonyl, C.sub.1 -C.sub.8 -alkylaminocarbonyl, C.sub.3 -C.sub.6 -cycloalkylaminocarbonyl, di-C.sub.1 -C.sub.8 alkylaminocarbonyl, cyclohexylmethylaminocarbonyl, alkoxyalkylaminocarbonyl, morpholinocarbonyl, pyrrolidinocarbonyl, piperidinocarbonyl or cyano,and n is 0.1 or 2.The compounds wherein n is 1 or 2 have both a high fungicidal and nematocidal activity. The compounds in which n is 0 are the starting products or intermediate products in making the compound in which a sulfonyl or sulfinyl group is present (n=1 or 2) but have also nematocidal properties of their own. All compounds of the invention avoid the undesirable environmental properties and other shortcomings of the prior art products, particularly those of the broadly used mercury compounds.
    Type: Grant
    Filed: December 6, 1979
    Date of Patent: July 28, 1981
    Assignee: Schering Aktiengesellschaft
    Inventors: Ludwig Nusslein, Dietrich Baumert, Ernst A. Pieroh
  • Patent number: 4273709
    Abstract: Disclosed is a process for the total synthesis of thienamycin from 4-allylazetidinone (IIIa) via ##STR1## L-aspartic acid (III): ##STR2## R.dbd.H, blocking group or salt cation.
    Type: Grant
    Filed: July 23, 1979
    Date of Patent: June 16, 1981
    Assignee: Merck & Co., Inc.
    Inventors: Burton G. Christensen, Ronald W. Ratcliffe, Thomas N. Salzmann
  • Patent number: 4266070
    Abstract: A process for the production of urethanes is provided in which an organic primary or secondary amine is contacted, in the substantial absence of reactive oxygen, with a source of carbon monoxide and an organic compound containing at least one hydroxyl group in the presence of a catalyst comprising a member selected from the group consisting of carbonyls of Co, Mo, Ti, Rh, Fe, Ni and mixtures thereof. Urethane yields and selectivities are further improved by conducting the reaction in the additional presence of an organic compound containing at least one C.dbd.N or C.dbd.C group. When such unsaturated organic compounds are employed, the catalyst can additionally comprise iridium carbonyl.
    Type: Grant
    Filed: May 25, 1979
    Date of Patent: May 5, 1981
    Assignee: Halcon Research and Development Corp.
    Inventor: David Moy
  • Patent number: 4262015
    Abstract: A novel class of chemical compounds useful as pesticides consists of N-alkylthio- and N-arylthiosulfinylcarbamate esters. The preparation of these compounds and their formulation to control insects are exemplified.
    Type: Grant
    Filed: March 7, 1979
    Date of Patent: April 14, 1981
    Assignee: The Regents of the University of California
    Inventors: Mohamed A. H. Fahmy, Tetsuo R. Fukuto
  • Patent number: 4261897
    Abstract: N-chlorosulfinylcarbamate esters are produced by the reaction of thionyl chloride with carbamate esters having one unsubstituted hydrogen on the carbamate nitrogen atom, preferably in the presence of a hydrogen chloride acceptor. The resulting N-chlorosulfinylcarbamate esters are useful intermediates in the preparation of pesticides having relatively low mammalian toxicity.
    Type: Grant
    Filed: March 7, 1979
    Date of Patent: April 14, 1981
    Assignee: The Regents of the University of California
    Inventors: Mohamed A. H. Fahmy, Tetsuo R. Fukuto
  • Patent number: 4260781
    Abstract: A process for the production of carbamates is provided in which an organic primary or secondary amine is contacted, in the substantial absence of reactive oxygen, with a source of carbon monoxide, an organic compound containing at least one hydroxyl group, and a metal reactant comprising at least one member selected from the group consisting of compounds and complexes of Group VIII of the Periodic Table.
    Type: Grant
    Filed: May 25, 1979
    Date of Patent: April 7, 1981
    Assignee: Halcon Research and Development Corp.
    Inventor: Robert J. Harvey
  • Patent number: 4249017
    Abstract: The title compounds, having the formula (RO.sub.2 CNHCH.sub.2).sub.3 PY where Y=oxygen or sulfur, are prepared by reacting a tris(N-carbalkoxylaminomethyl)phosphine, having the formula (RO.sub.2 CNHCH.sub.2).sub.3 P, with an oxidizing or sulfurizing agent. The products, after methylolation with formaldehyde, are useful as finishing agents for imparting flame retardant properties to cotton fabrics.
    Type: Grant
    Filed: November 29, 1978
    Date of Patent: February 3, 1981
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventor: Arlen W. Frank
  • Patent number: 4242520
    Abstract: A process for the production of carbamates is provided which comprises contacting an organic primary or secondary amine with a source of carbon monoxide, an organic compound containing at least one hydroxyl group and a source of sulfur, selenium or tellurium, in the presence of a catalyst for the reaction and in the presence of at least one member selected from the group consisting of disulfides of the formulaR.sup.1 --S--S--R.sup.2wherein R.sup.1 and R.sup.2 comprise members selected from the group consisting of alkyl, aryl, cycloalkyl, alkaryl, aralkyl, heterocyclic, alkenyl, alkynyl, alkanoyl, aranoyl, halogenated derivatives of the foregoing groups, and derivatives of the foregoing groups in which one or more carbon atoms is replaced by an oxygen atom.
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: December 30, 1980
    Assignee: Halcon Research & Development Corporation
    Inventor: David Moy
  • Patent number: 4234580
    Abstract: Carbamate thiosulfenylcarbamoyl fluoride compounds are insecticidal and miticidal compounds and are also useful intermediates in the preparation of pesticidally active bis-carbamate disulfide compounds.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: November 18, 1980
    Assignee: Union Carbide Corporation
    Inventor: Themistocles D. J. D'Silva
  • Patent number: 4209632
    Abstract: Sulfonyl carbazates containing at least one group of:--SO.sub.2 --NHNH--COO--wherein the oxygen and the sulfur atoms attach to various organic groups are useful as high temperature blowing agents for gas-expandable polymers. Additionally, novel polyfunctional and secondary-alkyl substituted sulfonyl carbazates have been discovered.
    Type: Grant
    Filed: December 30, 1977
    Date of Patent: June 24, 1980
    Assignee: Uniroyal, Inc.
    Inventor: Byron A. Hunter
  • Patent number: 4204072
    Abstract: The title compounds, having the formula (RO.sub.2 CNHCH.sub.2).sub.3 P, are prepared by reacting a quaternary phosphonium salt, having the formula (RO.sub.2 CNHCH.sub.2).sub.4 P.sup.+ X.sup.-, with a base, preferably one that is capable of reacting with and thereby inactivating the by-product formaldehyde or formaldehyde derivative. The products are useful as intermediates for the preparation of finishing agents that impart flame retardant properties to cotton fabrics.
    Type: Grant
    Filed: November 29, 1978
    Date of Patent: May 20, 1980
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventor: Arlen W. Frank
  • Patent number: 4175200
    Abstract: N,N'-disubstituted sulfonyl hydrazine with the following structural formula are disclosed:R(SO.sub.2 NR.sup.1 NHR.sup.2).sub.nwherein the R.sup.1 and R.sup.2 groups are the same or different and are either --COOR.sup.3 or --CONHR.sup.4. These novel compounds are useful as high temperature blowing agents for gas-expandable polymers.
    Type: Grant
    Filed: April 21, 1977
    Date of Patent: November 20, 1979
    Assignee: Uniroyal, Inc.
    Inventors: Byron A. Hunter, Franklin H. Barrows
  • Patent number: 4169894
    Abstract: Unsymmetrical N-substituted bis-carbamoyloxy disulfide compounds exhibit outstanding nematocidal, miticidal and insecticidal activity, coupled with substantially reduced mammalian toxicity and phytotoxicity as compared to known pesticidal compounds having a comparable spectrum of activity against insect, arachnid and nematode pests.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: October 2, 1979
    Assignee: Union Carbide Corporation
    Inventor: Themistocles D. J. D'Silva
  • Patent number: 4166864
    Abstract: Unsymmetrical bis-arylcarbamate disulfide compounds exhibit outstanding miticidal and insecticidal activity, coupled with substantially reduced mammalian toxicity and phytotoxicity as compared to known pesticidal compounds having a comparable spectrum of activity against insect and mite pests.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: September 4, 1979
    Assignee: Union Carbide Corporation
    Inventor: Themistocles D. J. D'Silva
  • Patent number: 4147878
    Abstract: Certain novel carbamates and thiolcarbamates are broad spectrum herbicides, which can be applied to the locus of undesired vegetation either preemergence or postemergence. Typical representatives of this class of compounds are methyl N-(N-cyclohexylcarbamoyl-N',N'-dimethyl-amidino)-N-methylcarbamate and methyl N-[1-(3-cyclohexyl-1-methylureido)-1-dimethylaminomethylene]carbamate.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: April 3, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Julius J. Fuchs
  • Patent number: 4138422
    Abstract: Biologically active compositions are prepared by reacting an active hydrogen containing precursor with an isocyanate compound in the presence of solid particulate matter.
    Type: Grant
    Filed: July 24, 1974
    Date of Patent: February 6, 1979
    Assignee: Union Carbide Corporation
    Inventors: John K. Chan, Erich Tobler, Herbert E. Johnson
  • Patent number: 4135049
    Abstract: Sulfonyl carbazates containing at least one group of:--SO.sub.2 --NHNH--COO--wherein the oxygen and the sulfur atoms attach to various organic groups are useful as high temperature blowing agents for gas-expandable polymers. Additionally, novel polyfunctional and secondary-alkyl substituted sulfonyl carbazates have been discovered.
    Type: Grant
    Filed: November 19, 1976
    Date of Patent: January 16, 1979
    Assignee: Uniroyal, Inc.
    Inventor: Byron A. Hunter
  • Patent number: 4134918
    Abstract: Novel halomethyl derivatives of amines of the following general structure: ##STR1## WHEREIN Y is FCH.sub.2 --, F.sub.2 CH-- or F.sub.3 C--; Z is .beta.-methylthioethyl, .beta.-benzylthioethyl, S-(5'-desoxyadenosin-5'-yl)-S-methylthioethyl, .gamma.-guanidinopropyl, or ##STR2## WHEREIN N IS 2 OR 3 AND R.sub.1 is hydrogen or lower alkyl of from 1 to 4 carbon atoms with the proviso that when R.sub.1 is other than hydrogen, n is 2; and each of R.sub.a and R.sub.b is hydrogen, alkylcarbonyl wherein the alkyl moiety has from 1 to 4 carbon atoms and is straight or branched, alkoxycarbonyl wherein the alkoxy moiety has from 1 to 4 carbon atoms and is straight or branched, or ##STR3## wherein R.sub.2 is hydrogen, a straight or branched lower alkyl group of from 1 to 4 carbon atoms, benzyl or p-hydroxybenzyl; with the provisos that when Z is .beta.-benzylthioethyl or S-(5'-desoxyadenosin-5'-yl)-S-methylthioethyl, R.sub.b is hydrogen, when Z is .beta.-methylthioethyl, Y is other than F.sub.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: January 16, 1979
    Assignee: Merrell Toraude et Compagnie
    Inventors: Philippe Bey, Michel Jung