Patents for C08G 12 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen (3,724)
09/1991
09/25/1991EP0447999A2 Aqueous binder dispersion
09/17/1991US5049645 Preparation method of amino resin particulate having narrow particle size distribution
09/10/1991US5047466 Amino resin solutions having low electrical conductivity
09/05/1991DE4018764A1 Modified urea-melamine resin solns. prodn. - by adjusting ph of formaldehyde soln. contg. methanol using tri:ethanolamine, sodium hydroxide and ammonium hydroxide
08/1991
08/28/1991EP0443428A2 Process for producing particle of crosslinked melamine resin having a uniform particle diameter
08/28/1991EP0442866A1 Method and plant for separation of synthetic water soluble polymers.
08/27/1991US5043417 Low molecular weight urea-formaldehyde reaction products and process for the preparation thereof
08/20/1991CA1287936C Hydroxystyrylazapolymers
08/13/1991US5039762 Hybrid amino resin compositions
07/1991
07/31/1991EP0439130A1 Bactericidal, viricidal and fungicidal mixture
07/23/1991US5034500 Process for the manufacture of urea-formaldehyde resins
07/10/1991EP0436393A2 Methods for manufacture of methylolated cyclohexanecarboguanamine and alkyletherification product thereof and laminated sheet using the products
07/04/1991DE4018766A1 Solns. of melamine-urea-formaldehyde resins - with low viscosity are prepd. partic. for decorative laminate prodn.
07/04/1991DE3943215A1 High-flow, heat-curable compsn. for cleaning moulding tools - by plasticising mixt. of melamine-formaldehyde] resin, filler, glycol, urea and/or triazine derivs.
06/1991
06/26/1991EP0434619A2 Process for incorporating O-hydroxyphenyl-S-triazin into organic polymers
06/18/1991US5025085 Sulfinic or sulfonic acids and derivatives
06/18/1991US5025077 Composition for gluing discontinuous mineral fibers in order to obtain insulation products
05/1991
05/21/1991US5017641 Preparation of aqueous nonwoven binders of low formaldehyde emission on curing based on urea, formaldehyde and glyoxal
05/14/1991US5015699 Polyimines from hydrazine or diamines and diketones and reaction with iron ions
05/07/1991WO1991006597A1 Curable aminoplast compositions and catalysts for curing same
05/07/1991US5013598 Method of manufacturing a sag-resistant bonded particulate article
05/07/1991CA2042403A1 Curable aminoplast compositions and catalysts for curing same
05/02/1991WO1991005813A1 Process for the production of a white fine-grained material of urea-formaldehyde resin or a modified urea-formaldehyde resin
04/1991
04/23/1991US5010164 Process for forming urea-formaldehyde resin and use
04/23/1991US5010161 Of poly (phenylenebisalkylene) poly (phenylamine) with aldehyde, regenerated under hydrolysis, for use in moisture curable polyurethanes
04/23/1991US5009789 Filtration and reuse of urea-formaldehyde, melamine-formalde-hyde and polyamidoamine-epichlorohydrin resins
04/16/1991US5008365 Heating under acidic conditions to increase the viscosity of the solution; storage stability, reduced gel time; particle board
04/02/1991CA1282537C Amino resins useful in sizing paper and their use
03/1991
03/26/1991US5003066 Process for the preparation of polyglycidamides
03/13/1991EP0417043A2 Curing agents and accelerators for epoxy- and isocyanate resins
03/12/1991US4999455 Acrylic derivative of urea
03/07/1991WO1991002762A1 Cationic urea formaldehyde resins, process for preparing them and their use in the papermaking industry
03/06/1991EP0415273A2 Process for producing mono- or oligodispersed spherical particles from melamine resin
03/05/1991US4997905 Process for the preparation of aminoplastic resins having very low formaldehyde emission rates
02/1991
02/28/1991DE3927812A1 Kationische harnstoff-formaldehyd-harze, verfahren zu ihrer herstellung und ihre verwendung in der papierindustrie Cationic urea-formaldehyde resins, process for their preparation and their use in the paper industry
02/26/1991US4996289 Continuous preparation of aqueous melamine/formaldehyde precondensate solutions
02/12/1991US4992519 Binder composition with low formaldehyde emission and process for its preparation
01/1991
01/23/1991EP0408947A2 Melamine resin article with higher elasticity
01/15/1991US4985482 Amino resins, insulation for pipes and ceiling panels
01/08/1991US4983716 High solids, quick air drying
01/08/1991US4983710 Method for production of methylolaminotriazine condensates based on cyclohexanecarboguanamine
01/08/1991US4983662 Polyurethane coating compositions
01/02/1991EP0405557A2 A process for preparing a mannich condensate polyether polyol and polyurethanes therefrom
01/01/1991US4981946 Marine paint composition comprising quinone/polyamine polymer
12/1990
12/30/1990CA2020036A1 Tertiary amine-containing polyols prepared in a mannich condensation reaction using a mixture of alkanolamines
12/27/1990CA1278398C Nitrogenized electronic conductive polymers, their preparation processes, electrochromic display cell and electro-chemical generator using these polymers
12/18/1990CA1278138C Process for making solid urea - formaldehyde resins
12/11/1990US4977238 Additives suitable for use in aminoplastic resins
12/11/1990US4977237 Process for manufacturing urea/formaldehyde resins
12/11/1990US4977059 Block polymers
12/11/1990CA1277553C Amine-formaldehyde microencapsulation process
11/1990
11/13/1990US4970399 Method and apparatus for processing UV-hardenable reaction resin compounds
11/13/1990CA1276346C Modified melamine resin for use in decorative laminates
11/07/1990EP0135514B1 Cross linked porous membranes
11/06/1990US4968774 Wrinkle resistance
11/06/1990US4968773 Binders for lignocellulose
11/06/1990US4968772 Binders for wood fibers and particles
11/06/1990US4968730 Process for the preparation of pigment paste resins for cathodically depositable coating compositions having quaternized oxazolidine functional groups
10/1990
10/31/1990CN1046535A Step-pot method synthetic process for polymer of 2,2,4-trimethyl-1,2-dihydrogenated quinoline
10/30/1990US4966721 N-N'-dihydrocarbyl substituted phenylene diamine-derived condensation products as antioxidants and lubricant compositions
10/25/1990DE4001139A1 Organic cpds. isolation from aq. medium using cyclic oligomer - of urea, thiourea or deriv. di:aldehyde and formaldehyde, esp. for dyestuff sepn.
10/24/1990EP0393105A1 Sizing agent for paper
10/17/1990EP0392349A1 Process for the production of aqueous solutions of methylolethers.
10/17/1990CN1009996B Abrasive media
10/13/1990CA2013060A1 Preparation of aqueous solutions suitable for finishing cellulose-containing textile materials
10/10/1990EP0391665A1 Amino compounds, amino resins obtained therefrom, production of amino resins and resin compositions for water-borne coatings
10/09/1990US4962182 Process for curing aminoplastic resins
10/09/1990US4961967 Organosilicon compound, alkoxymethyltriazine derivatives and defunctional aromatic compounds
10/04/1990CA2013477A1 Amino compounds, amino resins obtained therefrom, production of amino resins and resin compositions for water-borne coatings
10/02/1990US4960856 Urea-formaldehyde compositions and method of manufacture
09/1990
09/27/1990DE3909007A1 Kationische harnstoff-formaldehyd-kondensate, verfahren zu ihrer herstellung und ihre verwendung in der papierindustrie Cationic urea-formaldehyde condensates, processes for their preparation and their use in the paper industry
09/19/1990WO1990011308A1 Cationic urea-formaldehyde condensates, a process for their manufacture and their use in the paper industry
09/19/1990EP0387733A2 Preparation method of amino resin particulate having narrow particle size distribution
09/19/1990CA2049059A1 Cationic urea-formaldehyde condensates, preparation thereof, and use thereof in the paper industry
09/18/1990US4957999 Process for curing aminoplast resins
09/14/1990CA2011767A1 Preparation method of amino resin particulate having narrow particle size distribution
09/05/1990EP0385225A2 Amino resin solutions with low electrical conductivity
08/1990
08/28/1990US4952608 Process for preparing synthetic resins having anion exchanger properties by amidomethylating a backbone polymer containing aromatic nuclei with a specially prepared N-hydroxymethyl phthalimide
08/16/1990EP0381905A1 Aminoplast resins for the finishing of cellulose fibres and their application
08/08/1990EP0381657A2 Hybrid amino resin compositions
08/08/1990CN1044474A Low-temp. curable compositions based upon aromatic aldehyde group-containing compounds and ketiminized polyamino compounds
08/01/1990EP0380466A2 Hybrid amino resin compositions
08/01/1990EP0380465A2 Hybrid amino resin compositions
08/01/1990EP0380464A2 Hybrid amino resin copositions
07/1990
07/31/1990US4945170 Method for making polyimides and products produced thereby
07/31/1990US4945000 Water insoluble particles coated with amino or phenolic resi
07/25/1990EP0379287A1 Particulate thermosetting adhesive compositions
07/24/1990CA2008288A1 Hybrid amino resin compositions
07/24/1990CA2008287A1 Hybrid amino resin compositions
07/24/1990CA2008286A1 Hybrid amino resin compositions
07/24/1990CA2008285A1 Hybrid amino resin compositions
07/18/1990EP0378265A1 Low-temperature curable compositions based upon polyaromatic aldehyde group-containing compounds and ketiminized polyamino compounds
07/18/1990EP0377931A2 Isocyanate modified blocked sulfonic acid ester as a crosslinking catalyst
07/13/1990CA2007717A1 Low-temperature curable compositions based upon polyaromatic aldehyde group-containing compounds and ketiminized polyamino compounds
07/03/1990US4939182 Melamine-alkanolamine condensates and polyurethanes prepared therefrom
06/1990
06/27/1990EP0375318A2 Polyaldimine derivatives
06/26/1990CA1270977A1 Preparation of aqueous dispersions of condensates of urea and ch-acidic aldehydes, and production of surface coating binders
06/26/1990CA1270605A1 Unfortified liquid paper sizing composition and method of preparation
06/21/1990CA2006080A1 Polyaldimine derivatives
06/13/1990EP0372007A1 Aminoplast catalyst and compositions.
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