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| Number | Title | Issue Date |
| 4996943 | Process for preparing cultch for mollusca This application describes a process for the production of a growth medium or cultch for mollusca, particularly oysters, comprising contacting preformed cultch made from coal ash wastes with larvae of the mollusca and permitting the larvae to settle there... | 03/05/1991 |
| 4986617 | Psychologically stimulating changing apparatus Described and claimed is a changing apparatus for an infant or young child comprising an elevated table with means for stimulating the interest of the child in changing or helping to change himself. The means for stimulating interest include steps or a la... | 01/22/1991 |
| 4980237 | Welded or laminated polyamides Polyamide bodies, e.g., foils or sheets, are welding together or laminated by forming methylene bridges between nitrogen atoms in the separate bodies by pressing them together in the presence of a alkaline paraformaldehyde/methanol solution containing a c... | 12/25/1990 |
| 4915885 | Process of making a blend of PET and PBT A process of preparing a homogeneous amorphous polymeric blend of polyethyleneterephthalate (PET) and polybutyleneterephthalate (PBT) which includes intimately mixing the PET and PBT at a weight ratio of about 10:90-90:10, melting the mixture at 290°-330... | 04/10/1990 |
| 4909863 | Process for levelling film surfaces and products thereof Semiconductor films and photovoltaic devices prepared therefrom are provided wherein the semiconductor films have a specular surface with a texture less than about 0.25 micron greater than the average planar film surface and wherein the semiconductor film... | 03/20/1990 |
| 4902369 | Method for the processing of liquid crystal polymers Described and claimed are a process for preserving the orientation of a liquid crystal polymer/during lamination which comprises carrying out the lamination bonding at a high temperature below the melting point of the polymer and under pressure of up to a... | 02/20/1990 |
| 4895612 | Method for welding and laminating polyamides Polyamide bodies, e.g., foils or sheets, are welding together or laminated by forming methylene bridges between nitrogen atoms in the separate bodies by pressing them together in the presence of a alkaline paraformaldehyde/methanol solution containing a c... | 01/23/1990 |
| 4844015 | Artificial oyster cultch Described is an oyster cultch made from coal-ash wastes substantially as effective as the natural oyster-shell cultch.... | 07/04/1989 |
| 4842789 | Preparation of high-modulus, high-strength linear polycondensates Described and claimed is a process for obtaining high-modulus, high-strength linear polycondensates, e.g., polyamides, comprising the sequential steps drawing at room temperature, isothermal annealing at 180°-270° C., a second drawing at room temperatur... | 06/27/1989 |
| 4778718 | Fabric-reinforced cementitious sheet-like structures and their production A bendable thin, sheet-like structure having a cementitious matrix reinforced with a three-dimensional fabric of an organic fiber uniformly distributed throughout the thickness of the structure and a continuous process for its production.... | 10/18/1988 |
| 4446175 | Coatings formed from isocyanate-functional polymers containing a terminal monosulfide group Low molecular weight isocyanate-functional acrylic polymers prepared by direct reaction of the monomers, e.g., 2-isocyanatoethyl methacrylate and butyl acrylate, in the presence of a mercaptan chain-transfer agent are good coating materials applicable to ... | 05/01/1984 |
| 4426478 | Branched polyester coating compositions Described are high-solids solutions of diol/higher polyol/aromatic acid/aliphawtic acid branched polyesters of carefully controlled composition and suitable as components of organic coatings.... | 01/17/1984 |
| 4419476 | Ternary adhesive systems Disclosed are adhesive systems and adhesives formed from (A) hydroxyl-terminated, preferably branched, polyols, (B) isocyanate-capped, polyol-based urethanes and (C) polyisocyanate crosslinking agents. In their preferred embodiments, they are applicable b... | 12/06/1983 |
| 4408002 | Stabilization of zinc-containing coating compositions The gelling of zinc-containing iminated acrylate coating compositions is prevented by including an effective chelating amount of 2,4-pentanedione in the composition.... | 10/04/1983 |
| 4369232 | Dispersants for coating compositions isocyanatoalkylacrylates as inorganic pigment dispersant on metal substrates Dispersants which improve the gloss of acrylic paints are prepared by reacting the isocyanate groups of monomeric polyisocyanates or isocyanate acrylate polymers with (1) fatty amines, (2) lower alkylamines or alkanolamines and (3), optionally, aminosilan... | 01/18/1983 |
| 4298724 | Branched polyesters for adhesives and coating compositions Described are diol/higher polyol/aromatic acid/aliphatic acid branched polyesters of carefully controlled composition highly soluble in cheap, nontoxic organic solvents and suitable as components of adhesives, e.g., for bonding flexible plastics, and as c... | 11/03/1981 |
| 4294736 | Accelerated process for making nonlinear polyesters The reaction rate of the process for making nonlinear polyesters, i.e., conventional alkyds, is accelerated by using relatively large proportions of solvent, e.g., 15-50% by weight of an aromatic or ketonic high boiler, and, optionally, an esterification ... | 10/13/1981 |
| 4293471 | Fast-drying alkyd latex Stable coating compositions are made from an aqueous dispersion of an alkyd resin (20-80% by weight of solids) neutralized to a pH of about 7.5 with ammonia or a volatile amine by forming therein an emulsion polymer (80-20% by weight of solids) of one or ... | 10/06/1981 |
| 4282905 | Manufacture of seamless laminated tubing Tubing of a thermoplastic polymer for handling corrosive materials is laminated or reinforced by covering the same with a heat-softenable bonding agent as an adhesive, inserting the adhesive-covered tube in a cylindrical glass fabric sleeve, inserting the... | 08/11/1981 |
| 4282124 | Diethyl fumarate reactive diluent for air dry coatings Diethyl fumarate can be used in proportions of up to 50% by weight to dilute oxidative-cure coating systems, e.g., alkyds, to permit higher solids, i.e., lower volatile solvents, content and to enhance through-cure of thick films without wrinkling.... | 08/04/1981 |
| 4151123 | Catalytic perovskites on perovskite supports and process for preparing them Catalytic activity of metal oxides is enhanced through application of the metal oxide to a second metal oxide having a perovskite crystal structure.... | 04/24/1979 |
