Patents for C08G 12 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen (3,724)
07/1993
07/28/1993EP0552762A2 Coatable, thermally curable binder precursor solutions modified with a reactive diluent
07/28/1993CN1074696A Urea-formaldehyde resin for middle density fibre board use and preparing process
07/23/1993CA2087079A1 Coatable, thermally curable binder precursor solutions modified with a reactive diluent
07/21/1993EP0551641A1 Aminomethylene-groups containing epoxy resins
07/21/1993EP0463012B1 Cationic urea-formaldehyde condensates, a process for their manufacture and their use in the paper industry
07/21/1993CN1074461A Porphyrinogenic resin systems and polymers derived therefrom
07/08/1993WO1993013150A1 Porphyrinogenic resin systems and polymers derived therefrom
06/1993
06/17/1993DE4140899A1 Water-soluble condensn. prods. prepn. for tanning agents - by partial oxidn. of glyoxal using excess nitric acid, then reaction with melamine, dicyandiamide, or (thio) urea and condensable cpds. etc.
06/16/1993EP0546400A2 A process for preparing polyamines and polyisocyanates
06/16/1993EP0546398A2 A process for preparing polyamines for lighter color polyisocyanate based foam
06/11/1993CA2084156A1 Process for preparing polyamides and polyisocyanates
06/02/1993EP0543950A1 Fluorinated quinoline polymers and the corresponding fluorinated monomers
05/1993
05/27/1993WO1993010165A1 Melaminic polycondensates
05/19/1993EP0542374A1 Melaminic polycondensates
05/19/1993EP0542360A1 Melaminic polycondensates
05/18/1993CA1318074C Process for the production of sulphonic acid group-containing condensation products with a low content of free formaldehyde
05/15/1993CA2082872A1 Melaminic polycondensates
05/15/1993CA2082868A1 Melaminic polycondensates
05/12/1993EP0540670A1 Novel polyamines and method for preparation thereof.
05/12/1993EP0540580A1 Polymeric drug delivery system.
04/1993
04/27/1993US5206066 Having resistance to abrasion, chemicals, radiation, shrinkage during curing
04/20/1993CA1316626C Cationically curable compositions
03/1993
03/16/1993US5194674 Water-soluble active methylene as formaldehyde scavenger
03/10/1993EP0530783A2 Latent catalysts
02/1993
02/23/1993CA1313873C Glycoluril derivatives and their use as stabilizers for polymers
02/16/1993WO1993004121A1 Aminoplast resin or aminoplast resin precursor
02/16/1993US5187019 Acid catalysts comprising a carbosulfonic acid/3,7-dioxa-1-aza bicyclo(3.3.0)octane adduct to cure amino resins; viscosity stability; non-wrinkling films; kinetics
02/10/1993EP0526804A1 Melamine resin prepregs and laminates based on modified resin
02/04/1993WO1993002112A1 Process for preparing a dispersion and for preparing polymer particles
01/1993
01/28/1993DE4124688A1 Crosslinkable resin mixts. - comprise polyfunctional formamide(s) and melamine-formaldehyde] resins useful for coating systems and prodn. of formed shapes
01/12/1993US5178646 Excellent water tolerence, gel time; reduced volatile organic compound emissions
01/12/1993CA1312694C Aminoplast catalyst and composition
12/1992
12/29/1992CA1312161C Discontinued mineral fiber sizing composition for obtaining isolation products
12/03/1992DE4117841A1 Fast-penetrating solns. of amino resin, esp. for paper impregnation - contain low-mol. wt. quat. ammonium cpds. with hydroxy-alkyl or amido-alkyl gp.
12/02/1992EP0515899A2 Aqueous solutions of impregnating resins
11/1992
11/25/1992EP0514792A1 Methacrylate prepolymer containing triazine ring structure, its preparation, and setting composition and resin
11/12/1992WO1992001018A2 Formaldehyde resin curing agents
11/10/1992US5162487 Where part of melamine is replaced by hydroxyoxyalkyl substituted melamine; elasticity, shelf life; fibers,foams
11/10/1992US5162486 Water Soluble Polymer With Sulfo Groups
11/10/1992US5162462 Process for the preparation of aminoplastic resin for use in the production of particle boards with low formaldehyde emission
11/10/1992US5162394 Modified polyols, methylol-melamine or urea-formaldehyde resins for crosslinking; non-leachable
11/03/1992CA1309794C Sizing composition for mineral fibers and fibers sized therewith
10/1992
10/27/1992CA1309543C Process for the preparation of aminoplast resins
10/26/1992CA2041264A1 Low molecular weight urea-formaldehyde reaction products and process for the preparation thereof
10/08/1992DE4111142A1 Modifier for melamine-formaldehyde] resins - comprises mixt. of di:cyan-di:amide, water soluble starch, and guanamine, or precondensate of mixt. with formaldehyde
10/08/1992DE4110736A1 Heat degradable polymer particles used in water treatment - comprising amino resin matrix with immobilised functional polymer
10/03/1992WO1992017517A1 Urea-aldehyde condensates and melamine derivatives comprising fluorochemical oligomers
10/03/1992CA2105298A1 Urea-aldehyde condensates and melamines derivatives comprising fluorochemical oligomers
09/1992
09/22/1992US5149756 Hybrid amino resin compositions
08/1992
08/12/1992EP0498301A2 Process for preparing a watersoluble (form)aldehyde resin and adhesive composition containing the same
08/11/1992CA1306256C Beta-hydroxyalkylcarbamylmethylated aminotriazines and curable compositions containing the same
08/06/1992DE4102831A1 Treatment of buildings emitting formaldehyde to render them safe - using soln. contg. urea] formaldehyde] condensate with low formaldehyde content, sealing cracks, joints and openings and aerating
08/04/1992CA1305963C Alkylcarbamylmethylated aminotriazine crosslinking agents and curable compositions containing the same
07/1992
07/28/1992CA1305821C Process for the preparation of urea-formaldehyde resins
07/22/1992EP0224562B1 Silane modified polymers
06/1992
06/30/1992CA1304374C Process for the hardening of aminoplast resins
06/09/1992US5120821 Process for producing melamine formaldehyde resins using impure melamine
06/09/1992US5120815 Capping condensate with alkylene oxide
06/03/1992EP0488934A2 Binder and a method for the preparation of a coating
05/1992
05/26/1992CA1301993C Polyquinoxaline polymers, and articles comprising same
05/26/1992CA1301758C2 Cured fibrous composites prepared from the resinous reaction products of hydroxy aromatic mono-aldehydes and methylated pyridines or methylated pyrazines, and prepolymers preparedfrom hydroxy aromatic mono-aldehydes and methylated pyrazines
05/19/1992US5114999 Glyoxal-containing binder insolubilizer
05/05/1992US5110898 Feeding liquid precondensate to bottom of pool of diluent liquid
04/1992
04/30/1992CA2028795A1 Polyol and utilization thereof
04/28/1992US5109062 Guandine salt
04/28/1992CA1299796C Isocyanate-free polyurethane dispersions
04/14/1992CA1298831C Cationic and anionic lignin, amines
04/07/1992US5102961 Isocyanate modified blocked sulfonic acid ester as a crosslinking catalyst
03/1992
03/19/1992WO1992001018A3 Formaldehyde resin curing agents
03/05/1992WO1992003488A1 Fluorinated quinoline polymers and the corresponding fluorinated monomers
03/03/1992US5093462 Hydroxy functional epoxidized amino resins
02/1992
02/26/1992EP0472257A1 Glutaraldehyde resin binding system for manufacture of wood products
02/25/1992CA1296470C Urea-aldehyde polycondensates, preparation thereof and use thereof as surface coating binders
02/18/1992US5089617 Curing or crosslinking agents for coatings ro binders
02/11/1992US5087690 Hybrid amino resin compositions
02/06/1992WO1992001730A1 Novel polyamines and method for preparation thereof
02/06/1992WO1992001477A1 Polymeric drug delivery system
02/06/1992CA2086527A1 Polymeric drug delivery system
02/05/1992EP0469339A2 Aqueous solutions of etherified dicyandiamide-formaldehyde reaction products
02/04/1992US5086085 Melamine-formaldehyde aerogels
02/04/1992US5085930 Coating inorganic carrier particles with thermosetting resin; spray drying
01/1992
01/28/1992US5084506 Stable nonaqueous microparticle dispersions prepared from aminoplast resins
01/28/1992US5084488 Melamine resin moldings having increased elasticity
01/14/1992US5081163 Melamine-formaldehyde aerogels
01/08/1992EP0464466A2 Radiation curable binder
01/07/1992US5079315 Bonding And Coating Applications
12/1991
12/10/1991US5071945 Process for the production of sulphonic acid group-containing condensation products with a low content of free formaldehyde
12/10/1991US5071481 Protective coatings, seals, impregnating and bonding; potlife; stability
11/1991
11/19/1991US5066768 Preparation method of spherical melamine resin particulates having crosslinked structure
11/16/1991CA2031465A1 Paint spray booth organic detackification treatment
11/13/1991EP0456610A1 A process for the manufacture of pigments
11/06/1991EP0454888A1 Non-toxic stable lignosulfonate-urea-formaldehyde composition and method of preparation thereof
10/1991
10/24/1991CA2015268A1 Biodegradable polyamide, films and products obtained from said polyamide and process for its preparation
10/23/1991EP0452472A1 Curable aminoplast compositions and catalysts for curing same.
10/22/1991US5059675 For nonwoven substrate; reaction product of melamine formaldehyde compound, alcohol and polyethoxylated alcohols
10/22/1991US5059488 Glutaraldehyde resin binding system for manufacture of wood products
10/10/1991DE4011159A1 Prepn. of novel aq. melamine-modified amino resins - by heating mixt. of aq. UF precondensate and aq. melamine-UF precondensate, with opt. addn. of urea]
10/02/1991EP0449292A2 Multilayer printed circuit board and production thereof
10/01/1991CA1290091C Process for the preparation of urea-formaldehyde resins
10/01/1991CA1290085C Substitute for amino and phenolic resins
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