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| Number | Title | Issue Date |
| 7547798 | Process for preparing aminobenzoate esters The present invention herein provides a process for making an aminobenzoate ester of an alcoholic organic compound. In one aspect, there is provided a process for making an aminobenzoate ester comprising the steps of: (a) providing a reaction mixture comprising an a... | 06/16/2009 |
| 7371831 | Azo dyestuffs Compounds of formula (I) wherein all substituents have the meanings as defined in the Specification, their production and their use. ... | 05/13/2008 |
| 7294723 | Multifunctional cationic photoinitiators, their preparation and use Compounds of formula (I): [where: R1 is a direct bond, oxygen, a group >CH2, sulphur, a group >C═O, a group-(CH2)2— or a group-N—Ra, where Ra is hydrogen or alkyl; R3, R4, ... | 11/13/2007 |
| 7196127 | Biodegradable polyesteramide and preparation method A biodegradable polyesteramide and preparation method, having a formulation that contains (a) a diacid: 30%˜70% by weight (b) a diol: 10%˜50% by weight (c) an amide: 5%˜70% by weight (d) a diamine: 10%˜70% by weight (e) a branching agent: 0%˜10% by weight (f) a... | 03/27/2007 |
| 7019104 | Diamine novel acid dianhydride and novel polyimide composition formed therefrom An object of present invention is to provide a diamine and an acid dianhydride having photoreactivity and thermoreactivity and a polyimide composition containing the diamine and the acid dianhydride as monomer components, and specifically to synthesize a diamine and... | 03/28/2006 |
| 6828460 | Resorcinol derivatives The present invention relates to the use of certain resorcinol derivatives as skin lightening agents. ... | 12/07/2004 |
| 6689899 | Diamine and acid anhydride The present invention provides a novel diamine and a novel acid anhydride which are applicable for a polyimide and includes a cinnamoyl group or a derived cinnamoyl group. The novel diamines and acid anhydrides have photo-reactivity and heat-reactivity in... | 02/10/2004 |
| 6552155 | Polyaldimines of oligomeric aminobenzoic acid derivatives, and their use for preparation of moisture-curable, storage-stable, one-part polyreas The invention relates to polyaldimines of formula [1] and their use within moisture curable one part polyurea compositions. ##STR1## wherein j is an integer of 3 to 30 and R2 is unsubstituted homocyclic or heterocyclic aryl radical or alkyl, al... | 04/22/2003 |
| 6541653 | Synthesis of carbamate through low pressure heterogeneous oxidative carbonylation of amines The process disclosed herein satisfies the need in the art for an industrially viable oxidative carbonylation catalytic system, and is capable of producing carbamates at a significantly higher rate than those processes reported in journal and patent liter... | 04/01/2003 |
| 6111129 | Process for the preparation of alkanediol-diaminobenzoates A process is disclosed for the direct preparation of alkanediol-diaminobenzoates comprising transesterifying an alkyl-p-aminobenzoate with a diol in the presence of a transesterification catalyst.... | 08/29/2000 |
| 5905164 | Polyalkylene polyol esters of dialkylaminobenzoic acid and their use in photoinitiated curing processes Amine compounds of general formula (I), ##STR1## wherein: each R1 independently represents an alkyl group; each R2 independently represents an alkyl group; each group X independently represents a polyalkylene polyol moiety where... | 05/18/1999 |
| 5874180 | Electroluminescent arrangements and their use The invention relates to electroluminescent arrangements (layers) containing special styrenes and to their use.... | 02/23/1999 |
| 5865861 | Fuel compositions containing polyamines of poly(oxyalkylene) aromatic A polyamine-containing poly(oxyalkylene) aromatic ester having the formula: ##STR1## or a fuel-soluble salt thereof; where R1 is a polyamine moiety having about 2 to about 12 amine nitrogen atoms and about 2 to about 40 carbon atoms, where... | 02/02/1999 |
| 5830976 | Polyimide A polyamic acid is herein disclosed which contains a structural unit represented by the formula 2a! ##STR1## wherein m is an integer of 1 to 20; n is an integer of 1 to 2; and R2 is an alkyl group or an alkoxy group having 1 to 20 carbon... | 11/03/1998 |
| 5719307 | Diamine chain extenders and method of use Polyurethane-urea elastomers are made using as a chain extender 2-methyl-1,3-propanediol-bis-p-aminobenzoate which is the reduction product from hydrogenating 2-methyl-1,3-propanediol-bis-p-nitrobenzoate. The latter composition is preferably made by ester... | 02/17/1998 |
| 5709719 | Poly(oxyalkylene) esters of substituted polyphenylethers and fuel compositions containing the same A poly(oxyalkylene) ester of a substituted polyphenylether having the formula: ##STR1## wherein A is amino, aminomethyl, cyano, nitro, N-alkylamino or N-alkylaminomethyl wherein the alkyl group contains about 1 to about 6 carbon atoms, or N,N-di... | 01/20/1998 |
| 5693379 | Polyimide A polyamic acid is herein disclosed which contains a structural unit represented by the formula 2a! ##STR1## wherein m is an integer of 1 to 20; n is an integer of 1 to 2; and R2 is an alkyl group or an alkoxy group having 1 to 20 carbon... | 12/02/1997 |
| 5482522 | Mannich condensation products of poly(oxyalkylene) hydroxyaromatic esters and fuel compositions containing the same Mannich condensation products prepared by the condensation of a compound of the formula: ##STR1## wherein R1 is hydrogen, hydroxy, lower alkyl or lower alkoxy; R3 and R4 are independently hydrogen or lower alkyl; R | 01/09/1996 |
| 5407452 | Fuel compositions containing poly(oxyalkylene) aromatic esters Fuel compositions containing a major amount of hydrocarbons boiling in the gasoline or diesel range and an effective deposit-controlling amount of a poly(oxyalkylene) aromatic ester having the formula: ##STR1## where A1 is nitro, amino, N-... | 04/18/1995 |
| 5298647 | Aromatic compounds of amide structure derived from aminobenzoic acids, hydroxy-benzoic acids, cinnamic acids, urocanic acids and benzimidazoles, absorbing UVB and/or UVA Aromatic compounds absorbing UVB and/or UVA, substituted with an amide function, selected from the group consisting of ##STR1## whose variable substituents are as defined in the specification, e.g. ##STR2## are useful as photoprotective agents o... | 03/29/1994 |
| 5229107 | Sunscreen agents, sunscreen compositions and methods for preventing sunburn The present invention relates to novel sunscreen agents which have the ability to absorb both UVA and UVB wavelength radiation. The sunscreen agents comprise a specific type of UVA-absorbing chromophore covalently bonded to a specific type of UVB-absorbin... | 07/20/1993 |
| 5229106 | Sunscreen agents, sunscreen compositions and method for preventing sunburn The present invention relates to novel sunscreen agents which have the ability to absorb both UVA and UVB wavelength radiation. The sunscreen agents comprise a specific type of UVA-absorbing chromophore covalently bonded to a specific type of UVB-absorbin... | 07/20/1993 |
| 5219973 | Polyurea rim systems The present invention is directed to a RIM process and an isocyanate reactive composition for use therein. The isocyanate composition includes an amine terminated chain extender and an aromatic amine terminated polyether of the formula: ##STR1## ... | 06/15/1993 |
| 5175170 | ଲ-amino acid derivatives Non-peptidyl compounds characterized generally as cycloalkyl/cycloalkylkyl-N-terminal amino hydroxy ଲ-amino acid derivatives are useful as renin inhibitors for treatment of hypertension. Compounds of particular interest of the formula ##STR1## ... | 12/29/1992 |
| 5138089 | Chromophores, sunscreen compositions and methods for preventing sunburn The present invention relates to novel chromophore-containing compounds useful as sunscreen agents which have the ability to absorb both UVA and UVB wavelength radiation. These compounds comprise a specific type of UVA-absorbing chromophore covalently bon... | 08/11/1992 |
| 5090914 | Activated polymers and conjugates thereof Macromolecular species such as enzymes, proteins, drugs, and solid supports which contain reactive carbonyl groups or groups which are readily converted to reactive carbonyl groups are modified by reaction with a compound of the formula ##STR1## ... | 02/25/1992 |
| 5001156 | Lipophilic quaternary ammonium salicylates, their use in cosmetics and in dermopharmacy Lipophilic quaternary ammonium salicylate, characterized in that it corresponds to the formula: ##STR1## in which: (i) R1, R2, R3 and R4, which may be identical or different, denote an alkyl or alkylcycloal... | 03/19/1991 |
| 4999186 | Novel sunscreen agents, sunscreen compositions and methods for preventing sunburn The present invention relates to novel sunscreen agents which have the ability to absorb both UVA and UVB wavelength radiation. The sunscreen agents comprise a specific type of UVA-absorbing chromophore covalently bonded to a specific type of UVB-absorbin... | 03/12/1991 |
| 4992575 | Process for the preparation of N,N'-dimethyl aromatic diamines, intermediates and products N,N'-dimethyl aromatic diamines are prepared from the corresponding diprimary amines via a two step synthesis forming first the corresponding di-succinylimidomethylamine and then reductively cleaving the succinylimido group. The products are useful, e.g.,... | 02/12/1991 |
| 4937370 | Novel chromophores, sunscreen compositions and methods for preventing sunburn The present invention relates to novel chromophore-containing compounds useful as sunscreen agents which have the ability to absorb both UVA and UVB wavelength radiation. These compounds comprise a specific type of UVA-absorbing chromophore covalently bon... | 06/26/1990 |
| 4929741 | Propiolophenone derivatives Propiolophenone derivatives of the formula ##STR1## wherein R6 is hydrogen, lower alkyl or a group of the formula ##STR2## as well as corresponding hydroxy compounds of the formula ##STR3## wherein R6' is hydrogen, lo... | 05/29/1990 |
| 4918236 | Certain substituted 3-(substituted oxy)-2-benzoyl-cyclohex-2-enones A compound of the formula ##STR1## wherein R is halogen, C1 -C2 alkyl, C1 -C2 alkoxy, nitro; cyano; C1 -C2 haloalkyl, or Ra SOm -wherein m is 0 or 2 and Ra | 04/17/1990 |
| 4851562 | Aromatic amide groups-containing diamines and polymers in which these diamines are incorporated There is provided a new class of diamines of the formula ##STR1## wherein X=NH or O, and R represents a divalent, substituted or unsubstituted organic group having at the most 20 carbon atoms. The diamines, wherein X has the meaning of an O-atom, may be c... | 07/25/1989 |
| 4808338 | Certain 3-oxo-4-(substituted oxy or substituted thio)cyclohex-1-enyl-2-substituted benzoate intermediates Intermediate compounds of the formula ##STR1## wherein X is oxy, thio, sulfinyl or sulfonyl; R is halogen; C1 C2 alkyl; C1 -C2 alkoxy; trifluoromethoxy; difluoromethoxy; nitro; cyano; C1 -C2... | 02/28/1989 |
| 4661616 | Benzoic and benzacrylic acid esters Compounds represented by the general formula ##STR1## when a and b are each 0 or 1 and R represents OH or lower alkoxy when a is 1, or OH or -NR'2 when a is zero. They can be prepared by the reaction of allyl glycidly ether with the approp... | 04/28/1987 |
| 4661288 | Zwitterionic compounds having clay soil removal/anti/redeposition properties useful in detergent compositions Water-soluble zwitterionic compounds having clay soil removal/anti-redeposition properties. The zwitterionic compounds are selected from monozwitterionic compounds, dizwitterionic compounds, polyzwitterionic compounds, and zwitterionic polymers. These zwi... | 04/28/1987 |
| 4623746 | Alkyleneglycol-bis(4-methylaminobenzoates) N,N'-dimethyl aromatic diamines are prepared from the corresponding diprimary amines via a two step synthesis forming first the corresponding di-succinylimidomethylamine and then reductively cleaving the succinylimido group. The products are useful, e.g.,... | 11/18/1986 |
| 4540810 | Manufacture of alkanol and glycol esters This invention concerns the improved preparation of alkanol and glycol esters, such as ethylene glycol diesters, by reaction of carbon monoxide and hydrogen in the presence of a catalyst system comprising ruthenium and a quaternary aryl or alkaryl phospho... | 09/10/1985 |
| 4537945 | Polyether derivative and a poly(urethane)ureamide obtained therefrom A poly(urethane)ureamide which comprises a polymer obtained by a reaction of (a) a polyether derivative of the general formula [I] and (b) a polyisocyanate exhibits an excellent wear resistance and heat resistance due to the presence of the aromatic amido... | 08/27/1985 |
| 4515981 | Polyetherpolyol derivative and process for preparing the same A polyetherpolyol derivative having at least, on average, one terminal amino group in which at least, on average, one hydroxyl group is substituted by a residue of para-aminobenzoic acid ester, and having the general formula ##STR1## wherein n i... | 05/07/1985 |
