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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 4966947 | Modified chlorinated polyolefins Chemically-modified, chlorinated, hydroxyimidized polyolefins having improved properties of solvent and/or humidity resistance and method for preparation thereof are disclosed. The novel materials prepared in accordance with the present invention are usef... | 10/30/1990 |
| 4916227 | Preparation of biaryl compounds A method for the preparation of biaryl compounds is disclosed which comprises contacting an aromatic halide in the presence of a catalyst comprising zerovalent nickel, a bidentate phosphorus-containing coordinating ligand and a reducing metal in a polar, ... | 04/10/1990 |
| 4912276 | Preparation of biaryl compounds A method for the preparation of biaryl compounds is disclosed which comprises contacting an aryl halide under conditions suitable to form a Grignard reagent and thereafter contacting the Grignard reagent with an aryl chloride in the presence of a catalyst... | 03/27/1990 |
| 4898969 | Transesterification of alkoxyesters Method for the highly selective transesterification of alkyl 3-alkoxypropionates, as well as several novel alkoxypropionate compounds, are provided. Transesterification catalyzed by titanium alkoxides or tin compounds does not catalyze the Michael reactio... | 02/06/1990 |
| 4897498 | Selective monoepoxidation of olefins Process is disclosed for the selective mono epoxidation of olefins having no allylic hydrogens. Such olefins are contacted with an oxygen-containing gas in the presence of a silver catalyst under defined reaction conditions, thereby selectively producing ... | 01/30/1990 |
| 4880778 | Combinations having synergistic growth hormone releasing activity and methods for use thereof Disclosed are combinations of polypeptides acting in a synergistic manner to promote release and elevation of growth hormone levels in the blood of animals. Also disclosed are methods of promoting the release and elevation of growth hormone levels in the ... | 11/14/1989 |
| 4880777 | Synthetic peptides having growth hormone releasing activity Disclosed are novel polypeptides selected from the group consisting of: ##STR1## functional equivalents thereof: and organic and inorganic addition salts thereof; and ##STR2## functional equivalents thereof: and organic and inorganic addition sa... | 11/14/1989 |
| 4880470 | Aqueous additive systems, methods and polymeric particles Aqueous application systems for applying additives to polymeric particles, methods of preparing aqueous emulsions which include additives having a high melting point, additives having a low melting point and an emulsifiable wax. Also disclosed are methods... | 11/14/1989 |
| 4879416 | Preparation of bidentate ligands The process for preparing a bidentate ligand comprising the steps, (1) contacting with ozone under ozonolysis conditions a suspension in a hydroxylic reaction medium of phenanthrene or a phenanthrene derivative to form an ozonated intermediate, (2) contacting ... | 11/07/1989 |
| 4879081 | Process of making fused, oriented-grain polymeric materials A process for producing a thermoplastic material including the steps of molecularly orienting a thermoplastic material, grinding the oriented material to a particle size between about 0.01 to 10 mm and fusing the ground particulate material to substantial... | 11/07/1989 |
| 4879008 | Preparation of bidentate ligands A process is disclosed for preparing bidentate ligands of the formula: ##STR1## wherein: each Ar is independently selected from aromatic ring compounds having 6 up to 14 carbon atoms, e.g., phenyl, naphthyl, phenanthryl and anthracenyl; the x bonds a... | 11/07/1989 |
| 4876378 | Recovery of dialkyl naphthalene-2,6-dicarboxylates from naphthalene-2,6-dicarboxylic acid-containing polyesters A process for the formation and recovery of dialkyl naphthalene-2,6-dicarboxylates from poly-(alkylene naphthalene-2,6-dicarboxylate) polyesters. Alcoholysis of poly(ethylene naphthalene-2,6-dicarboxylate) in the presence of a transesterification cat... | 10/24/1989 |
| 4873213 | Low pressure rhodium catalyzed hydroformylation of olefins The hydroformylation of olefins with rhodium complex catalysts is described. The catalysts employed comprises a rhodium complex with at least one phosphine having a specified structure, e.g., tris(benzyl)phosphine. Preferred phosphines have a pKa in the r... | 10/10/1989 |
