| Patent Number |
Title Of Patent |
Date Issued |
| 4973743 |
Process for the production of polybasic acid esters with recovery of boron trifluoride |
November 27, 1990 |
| This invention provides a process for preparing an oligomer of at least one polyunsaturated aliphatic C.sub.12-22 monocarboxylic acid ester in the presence of boron trifluoride resulting in a high yield or predominantly trimeric product which, upon hydrolysis, affords a high yield of |
| 4895955 |
Non-radioactive carbodiimide precursor to nucleic acid probes |
January 23, 1990 |
| This invention relates to carbodiimide compounds of the formula:wherein Z is a signalling moiety or a protecting group; L is a divalent linking group; W is an alkylene group having up to 24 carbon atoms which can be substituted or interrupted by a water solubility enhancing group or clea |
| 4584140 |
Process for separating fatty materials from supported nickel catalysts |
April 22, 1986 |
| A process for recovering fatty materials, such as fatty acids and lower alkyl esters thereof, from supported nickel catalyst compositions is provided. For the process, the supported nickel catalyst composition, which may also contain non-nickel containing clays/earths, is extracted w |
| 4496758 |
Process for the metathesis of alkenyl esters |
January 29, 1985 |
| An improved process for the metathesis of alkenyl esters utilizing substantially reduced catalyst levels is provided. For the process, an alkenyl ester of the formula ##STR1## where R is hydrogen or alkyl, R* is tertiary alkyl or an aromatic group, and n is an integer from 2 to 2 |
| 4469912 |
Process for converting .alpha.-olefin dimers to higher more useful oligomers |
September 4, 1984 |
| A process is provided whereby the dimer fraction obtained from a boron trifluoride catalyzed oligomerization process is reacted with an .alpha.-olefin in the presence of a phosphoric acid-modified boron trifluoride catalyst to produce higher oligomeric products typically having visco |
| 4447659 |
Decomposition of polycarbonates to form terminally unsaturated alcohols |
May 8, 1984 |
| Process for the preparation of terminally unsaturated alcohols by the thermal decomposition of a polycarbonate in the presence of titanium containing catalyst. |
| 4078013 |
Olefin metathesis catalysts and process utilizing same |
March 7, 1978 |
| Improved homogeneous metathesis catalysts are obtained by the use of a nitrogenous modifying agent with a tungsten compound and organotin compound. These modified catalyst systems used for olefin metathesis give significantly increased conversions and excellent product selectivity. |
| 4078012 |
Olefin metathesis catalysts and process utilizing same |
March 7, 1978 |
| Improved homogeneous metathesis catalysts are obtained by the use of a trivalent phosphorus modifying agent with a cocatalyst comprised of tungsten hexachloride and an organotin compound. These modified catalyst systems give significantly increased conversions and excellent product s |
