Searching:
Search by keyword, patent number, inventor, assignee, city or state:
| Patent # | Description |
|---|---|
| US-4,700,002 |
Isoprenylamine derivatives This invention relates to isoprenylamine derivatives and acid addition salts thereof, which compounds are useful for controlling virus infection of vertebrate... |
| US-4,700,001 |
Novel squarylium compound and photoreceptor containing same Novel squarylium compounds, a process for the production thereof as well as to a photoreceptor for electrophotography containing the squarylium compound are... |
| US-4,700,000 |
Preparation of calcium propionate Calcium propionate is prepared by passing a vaporous mixture of propionic acid and water into an aqueous solution containing calcium propionate and calcium... |
| US-4,699,999 |
Method of preparing pure carboxylic acids From reaction solutions of carboxylic acids prepared by carbonylation with the aid of cobalt carbonyl catalysts, the cobalt of the catalyst is precipitated by... |
| US-4,699,998 |
Process for the preparation of glycol derivatives Glycol ether esters can be prepared by reaction of an epoxide with an ester of a carboxylic acid using an amidine catalyst. The reaction can be used, for... |
| US-4,699,997 |
Metal salts of polyacetylenic compounds and uses thereof Water-soluble polyacetylenic alkali metal salts from monomers and polymers of carboxymethyl urethanes of di-, tetra-, and hexayne diols, or from the ... |
| US-4,699,996 |
12,16-Difluoroprostaglandin F.sub.2 .alpha. compounds This invention relates to novel 12,16-difluoroprostaglandin F.sub.2.alpha. compounds having leuteolytic activity. |
| US-4,699,995 |
Arachidonic acid analogues, processes for their preparation and their
use in medicine A compound of formula (I): ##STR1## or a salt thereof, in which Y is a group--O(CH.sub.2).sub.m CH<, --(CH.sub.2).sub.m CH<, or --CH.dbd.C< where m... |
| US-4,699,994 |
Method of manufacturing diphenylmethane dicarbamic acid diesters According to a method of manufacturing a diphenylmethane dicarbamic acid ester by reacting an N-phenyl carbamic acid diester with a methylating agent in an... |
| US-4,699,993 |
Perfluoroalkylnaphthalene compounds Novel compounds having greatest interest as biologically-active materials for the treatment of diabetic complications in mammals, or intermediates for such... |
| US-4,699,992 |
3-amino-2-benzoylacrylic acid derivatives Novel 3-amino-2-benzoyl-acrylic acid derivatives of the formula ##STR1## in which R.sup.1 represents the nitrile group, an ester group --COOR.sup.4 or... |
| US-4,699,991 |
Methods of using silacrown ethers as catalysts Organosilicon compounds referred to as silacrown ethers or "silacrowns" are of the general formula: ##STR1## where R.sup.1 and R.sup.2 are organic radicals... |
| US-4,699,990 |
Antihypertensive phosphate derivatives Antihypertensive phosphate derivatives are described having the following formula: ##STR1## wherein n is an integer 1 or 2; m is an integer 1 or 2, and the... |
| US-4,699,989 |
7-fluoroprostaglandins and process for their production 7-Fluoroprostaglandins represented by the following formula (I): ##STR1## In the formula (I), R.sup.1 is a hydrogen atom or an alkyl group having from 1 to... |
| US-4,699,988 |
Novel aminofunctional silicone compositions A composition having the general formula ##STR1## wherein each R is independently selected from hydrogen, substituted and unsubstituted organic radicals,... |
| US-4,699,987 |
(Perfluoroalkyl)-cyclopentadienylthallium Perfluoroalkylcyclopentadienylthallium compounds of the general formula: ##STR1## wherein n=1-5 are disclosed which are useful to modify the properties of ... |
| US-4,699,986 |
Imino compounds useful for making .beta.-lactams There is presented optically uniform .beta.-lactams of the formulae ##STR1## wherein Z is a readily cleavable acyl group, R.sup.1 is amino or a group ... |
| US-4,699,985 |
Process for oxidation of N-butane to maleic anhydride An improved vanadium/phosphorus catalyst for the oxidation of n-butane to maleic anhydride is disclosed. Preferably, the catalyst contains a promoter. A process... |
| US-4,699,984 |
Preparation of intermediates to
6-fluoro-7-(2,6-dimethylpyridyl)quinoline carboxylic acids and compounds Shown is the process which comprises heating 4-(2-fluorophenyl)-2,6-dimethyl-3,5-pyridinedicarboxylic acid to produce a mixture of... |
| US-4,699,983 |
2-amino-4-trichloromethylpyridine and its preparation 2-Amino-4-trichloromethylpyridine of the formula I ##STR1## The compound is an effective nitrification inhibitor. |
| US-4,699,982 |
Perinone compound A perinone compound represented by the formula ##STR1## wherein R represents arylene; R and R', which may be the same or different, each represents... |
| US-4,699,981 |
Cephalosporin derivatives Cephalosporin derivatives represented by the general formula ##STR1## Wherein X represents a hydrogen atom, a lower alkyl group having 1 to 4 carbon atoms,... |
| US-4,699,980 |
Process for preparing 3-substituted-methyl-3-cephem derivatives Various 7-amino-3-substituted-methyl-3-cephem-4-carboxylic acids and lower alkylsilyl derivatives such as ... |
| US-4,699,979 |
7-amino-3-propenylcephalosporanic acid and esters thereof This invention provides novel cephalosporin intermediates, 7.beta.-amino-3-[(Z)-1-propen-1-y1]-3-cephem-4-carboxylic acid and esters thereof having the general... |
| US-4,699,978 |
Site-specific chiral ruthenium (II) and cobalt (III) antitumor agents This invention concerns a coordination complex of the formula (R).sub.2 --M--(Y).sub.2 wherein M comprises a suitable transition metal, e.g. cobalt or ruthenium,... |
| US-4,699,977 |
Antibiotic L 17046 and process for preparing it The present invention is directed to a new antibiotic substance arbitrarily denominated antibiotic L 17046. This antibiotic substance is obtained from the known... |
| US-4,699,976 |
Continuous process for the treatment of polymer composition to remove
unreacted monomer and solvent Disclosed is a continuous treating process of a rubber modified styrenic polymer composition produced by bulk or solution polymerization and containing at least... |
| US-4,699,975 |
Process for producing readily crystallizable arylenesulfide resin
composition containing organic acid or anhydride A readily crystallizable arylenesulfide resin composition is produced by adding, to 100 parts by weight of an arylenesulfide polymer, 0.01 to 10.0 parts of an... |
| US-4,699,974 |
Method of preparing copolyester carbonate from cyclic aromatic
polycarbonate oligomer and lactone Cyclic polycarbonate oligomer compositions are polymerized with lactones in the presence of a catalyst for the polymerization of either. Usually, the lactone is... |
| US-4,699,973 |
Polytetramethyleneadipamide film A polyamide film prepared from a polyamide composition comprised of at least 60% by weight of polytetramethyleneadipamide or a copolymer polyamide containing at... |
| US-4,699,972 |
Aliphatic polyesters containing sulphur, and their use as stabilizers
for polymers Aliphatic polyesters containing sulphur, which contain the sulphur as structural units in the form of sulphide or disulphide groups in both the acid component... |
| US-4,699,971 |
Polycarbonate with cycloalkylphenyl end group Thermoplastic aromatic polycarbonate containing the polymerized reaction products of (i) at least one dihydric phenol, (ii) a carbonate precursor, and (iii) at... |
| US-4,699,970 |
Resin from phenolic and oxazoline using phosphorous acid ester as
catalyst The process for preparing a polymeric composition at improved rate comprising reacting an oxazoline compound and a phenolic compound in the presence of a... |
| US-4,699,969 |
Fluorinated polymers and resins prepared therefrom New resins containing urethane and/or epoxy bonds are prepared starting from fluorinated polymers having an epoxy structure and exhibiting structural... |
| US-4,699,968 |
Water as a partial extender in polyurethane formulations Urethane elastomers are produced by reacting a prepolymer with a chain extender or cure agent in the presence of limited amounts of water without adverse effects... |
| US-4,699,967 |
Polysiloxane block copolymers Block copolymers of recurring structural units of the series of polysiloxanes and recurring structural units of the series of aliphatic polyesters, polyethers or... |
| US-4,699,966 |
Polymer bound calixarenes A linear or cross-linked polymer selected from polythioethers, polyethers, styrenic polymers, polyacrylates, and polyorganosiloxanes having a plurality of... |
| US-4,699,965 |
Heat curable solventless liquid prepolymer and novel monomer derived
from hexylcarbitol for use therewith A solventless prepolymer which is liquid at room temperature and cures at about 350.degree. F. The novel prepolymer is formed from a rubber monomer; ... |
| US-4,699,964 |
Antistatic acrylic resin composition and method for the production
thereof An acrylic resin composition having excellent permanent antistatic properties, which comprises a copolymer of an acrylic monomer comprising predominantly methyl... |
| US-4,699,963 |
Method of cycloolefin polymerization A polymerization catalyst composition including ##STR1## wherein R is an alkyl group having 3 to 20 carbon atoms; m is 4 or 6 and n is 0 or 1. Preferably... |
| US-4,699,962 |
Olefin polymerization A process for producing a novel-highly active lanthanide containing catalyst comprising the product produced by reacting a lanthanide hydride, a Lewis acid, and... |
| US-4,699,961 |
High efficiency catalysts for varying olefin polymer molecular weight
distribution Catalysts having high efficiency in preparing olefin polymers while controlling molecular weight distribution are disclosed. The catalysts utilize magnesium... |
| US-4,699,960 |
Process for the polymerization or copolymerization of butadiene The present invention relates to the production of 1,4-cis-polybutadiene and of copolymers of butadiene with other conjugated diolefins, by means of the... |
| US-4,699,959 |
Chip resistant primer composition VIII Solvent-based thermosetting coating composition comprising a hydroxy functional epoxy amine adduct linear polycaprolactone diol and blocked polyisocyanate... |
| US-4,699,958 |
Chip resistant primer composition VI A solvent-based thermosetting coating composition comprising a hydroxy functional epoxy resin, linear polycaprolactone diol, and blocked polyisocyanate... |
| US-4,699,957 |
Chip resistant primer composition V Solvent-based thermosetting coating composition comprising a hydroxy functional epoxy ester resin, linear polycaprolactone diol and blocked polyisocyanate... |
| US-4,699,956 |
Polymers adaptable for wire enamels A polyester, a polyester/polyamide or a polyester/polyamide/polyimide polymers are prepared from (a) a diaryl terephthalate or diaryl isophthalate, and (b) an... |
| US-4,699,955 |
Chip resistant primer composition VI" A solvent based thermosetting coating composition comprising hydroxy functional epoxy ester resin, linear polycaprolactone diol, and blocked polyisocyanate... |
| US-4,699,954 |
Chemical modification of solid, fully crystalline polydiacetylenes Chemical modification of crystalline poly-1,6-di-(N-carbazolyl)-2,4-hexadiyne is disclosed. There is provided a chlorinated... |
| US-4,699,953 |
Chemical modification of solid, fully crystalline polydiacetylenes Chemical modification of crystalline poly-1,6-di-(N-carbazolyl)-2,4-hexadiyne is disclosed. There is provided a chlorinated... |
Copyright 2008−2012 Patents.com
