| Patent Number |
Title Of Patent |
Date Issued |
| 4927805 |
Hydrolysis of curcumin |
May 22, 1990 |
| Curcumin is subjected to the action of heat and pressure in the presence of water by a continuous or batch process to produce vanillin and other natural flavor products. The proportion of vanillin in the final product varies with the pH of the reaction mixture. |
| 4871881 |
Hydrolysis of activated olefinic ketones and aldehydes |
October 3, 1989 |
| Ketones or aldehydes containing one or more carbon-carbon double bonds and a carbonyl group conjugated with at least one double bond are hydrolyzed by the action of heat and pressure in the presence of water by a batch or continuous process. The ketone or aldehyde cleaves at the double b |
| 4810824 |
Hydrolysis of activated olefinic ketones and aldehydes |
March 7, 1989 |
| Ketones or aldehydes containing one or more carbon-carbon double bonds and a carbonyl group conjugated with at least one double bond are hydrolyzed by the action of heat and pressure in the presence of water by a batch or continuous process. The ketone or aldehyde cleaves at the double b |
| 4766249 |
Method of catalytically hydrolyzing alpha, beta-unsaturated carbonyl compounds |
August 23, 1988 |
| Alpha, beta-unsaturated carbonyl compounds are hydrolyzed under alkaline conditions in the presence of water to produce additional carbonyl-containing compounds. High yields are obtained when the alkaline catalyst contains hydroxide ion and the pH is maintained in the range of about |
| 4709098 |
Hydrolysis of activated olefinic ketones and aldehydes |
November 24, 1987 |
| Ketones or aldehydes containing one or more carbon-carbon double bonds and a carbonyl group conjugated with at least one double bond are hydrolyzed by the action of heat and pressure in the presence of water. The ketone or aldehyde cleaves at the double bond conjugated with the carbonyl |
| 4673766 |
Method of producing benzaldehyde |
June 16, 1987 |
| A method is disclosed for producing benzaldehyde by fractionally steam distilling benzaldehyde from cinnamaldehyde in the presence of hydroxide catalyst and at a pH on the order of about 11 to about 13. Conversions of cinnamaldehyde to benzaldehyde can be achieved on the order of about 7 |
| 4302581 |
7-(1,3-Dithiolan-2-imino)cephalosporanic acid derivatives |
November 24, 1981 |
| Novel 7-(1,3-dithiolan-2-imino)cephalosporin derivatives are described which are particularly useful for their antibacterial properties. |
| 4291160 |
7-(1,3-Dithiolan-2-imino)-.DELTA..sup.2 -cephalosporanic acid derivatives |
September 22, 1981 |
| Novel 7-(1,3-dithiolan-2-imino)-.DELTA..sup.2 -cephalosporanic acid derivatives are described which possess useful antibacterial properties. |
| 4285958 |
1-Piperidine-alkylene ketones, pharmaceutical compositions thereof and method of use thereof |
August 25, 1981 |
| Pharmaceutically useful compounds of the following formula: ##STR1## wherein R.sub.1 represents hydrogen or hydroxy; R.sub.2 represents hydrogen; or R.sub.1 and R.sub.2 taken together form a second bond between the carbon atoms bearing R.sub.1 and R.sub.2 ; n is a positive whole |
| 4285957 |
1-Piperidine-alkanol derivatives, pharmaceutical compositions thereof, and method of use thereof |
August 25, 1981 |
| Novel compounds of the following formula: ##STR1## wherein R.sub.1 is hydrogen or hydroxy; R.sub.2 is hydrogen; or R.sub.1 and R.sub.2 taken together form a second bond between the carbon atoms bearing R.sub.1 and R.sub.2 ; n is an integer of from 1 to 5; R.sub.3 is --CH.sub.3, - |
| 4254130 |
Piperidine derivatives |
March 3, 1981 |
| Pharmaceutically useful compounds of the following formula: ##STR1## wherein R.sub.1 represents hydrogen or hydroxy; R.sub.2 represents hydrogen; or R.sub.1 and R.sub.2 taken together form a second bond between the carbon atoms bearing R.sub.1 and R.sub.2 ; n is a positive whole |
| 4254129 |
Piperidine derivatives |
March 3, 1981 |
| Novel compounds of the following formula: ##STR1## wherein R.sub.1 is hydrogen or hydroxy; R.sub.2 is hydrogen; or R.sub.1 and R.sub.2 taken together form a second bond between the carbon atoms bearing R.sub.1 and R.sub.2 ; n is an integer of from 1 to 5; R.sub.3 is --CH.sub.3, - |
| 4244955 |
2,4a-Ethanobenz[g]isoquinolin-5(1H)-ones and their use as anti-fertility and analgesic agents |
January 13, 1981 |
| 2,4a-Ethanobenz[g]isoquinolin-5(1H)-one derivatives are described which are useful as analgesic and anti-fertility agents. |
| 4208516 |
7-(1,3-Dithiolan-2-imino)-.DELTA..sup.2 -cephalosporanic acid derivatives |
June 17, 1980 |
| Novel 7-(1,3-dithiolan-2-imino)-.DELTA..sup.2 -cephalosporanic acid derivatives are described which possess useful antibacterial properties. |
| 4206305 |
7-(1,3-Dithiolan-2-imino)cephalosporanic acid derivatives |
June 3, 1980 |
| Novel 7-(1,3-dithiolan-2-imino)cephalosporin derivatives are described which are particularly useful for their antibacterial properties. |
| 4206119 |
6-(1,3-Dithiolan-2-imino)penicillanic acid derivatives |
June 3, 1980 |
| Novel 6-(1,3-dithiolan-2-imino)penicillanic acid derivatives are described which are particularly useful for their antibacterial properties. |
| 4172941 |
7-[2-[.omega.-(1,3-Dit hiolan-2-imino)substituted]-acetylamino]cephalosporanic acid derivatives |
October 30, 1979 |
| Novel 7-[2-[.omega.-(1,3-dithiolan-2-imino)substituted]-acetylamino]cephalospora nic acid derivatives are described having useful antibacterial activity. |
| 4131683 |
.omega.-(1,3-Dithiolan-2-imino) substituted acetic acids |
December 26, 1978 |
| .omega.-(1,3-Dithiolan-2-imino) substituted acetic acids are prepared useful as antibacterial agents, inhibitors of cholesterol and fatty acid synthesis, anti-inflammatory agents and as intermediates for cephalosporin antibiotics. |
| 4062842 |
Method for preparing 7-substituted cephalosporins and 6-substituted penicillins by replacement o |
December 13, 1977 |
| Disclosed is a method for replacing 7-lower alkylthio and 7-arylthio groups from cephalosporins with lower alkanoyloxy,lower alkoxy, aryloxy, aroyloxy, amino, lower alkylamino and azido moieties, and for replacing 6-lower alkylthio and 6-arylthio groups from penicillins with lower al |
| 4061629 |
6-Amino-6-arylthio penicillanic acids and derivatives thereof |
December 6, 1977 |
| 6-Amino and 6-benzalimino-6-arylthio penicillins are disclosed. These compounds are useful as intermediates in the preparation of 6-acylamino-6-arylthio penicillins. |
| 4060630 |
Ethylenediamine derivatives useful in treating sickle cell anemia |
November 29, 1977 |
| Compounds of the following general formula are useful in the treatment of sickle cell anemia: ##STR1## WHEREIN EACH OF R and R.sub.1 is hydrogen, chlorine, fluorine, bromine, trifluoromethyl, hydroxy, a lower alkoxy group of from 1 to 4 carbon atoms or a straight or branched lowe |
| 4039537 |
Thio-.beta.-lactam cephalosporins |
August 2, 1977 |
| Thio-.beta.-lactam cephalosporins of the general formula ##STR1## wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, trihaloethyl, alkali metal or alkaline earth metal; R.sub.1 is hydrogen, lower alkyl, cycloalkyl, phenyl, phenoxy, phenyl-lower alkyl or certain heterocyclic |
| 4029669 |
6-Benzalimino-6-arylthio penicillanic acids and derivatives thereof |
June 14, 1977 |
| 6-Amino and 6-benzalimino-6-arylthio penicillins are disclosed. These compounds are useful as intermediates in the preparation of 6-acylamino-6-arylthio penicillins. |
| 4018761 |
Thio-.beta.-lactam cephalosporins |
April 19, 1977 |
| New intermediates of the formula ##STR1## wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, trihaloethyl, alkali metal or alkaline earth metal and X is lower alkylthiadiazolylthio or lower alkyltetrazolylthio are useful for the production of antimicrobially active acyl deri |
| 4018760 |
Thio-.beta.-lactam cephalosporins |
April 19, 1977 |
| Thio-.beta.-lactam cephalosporins of the general formula ##STR1## wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, trihaloethyl, alkali metal or alkaline earth metal; R.sub.1 is hydrogen, lower alkyl, cycloalkyl, phenyl, phenoxy, phenyl-lower alkyl or certain heterocyclic |
| 3971780 |
Thio-.beta.-lactam cephalosporins |
July 27, 1976 |
| Thio-.beta.-lactam cephalosporins of the general formula ##SPC1##Wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, trihaloethyl, alkali metal or alkaline earth metal; R.sub.1 is hydrogen, lower alkyl, cycloalkyl, phenyl, phenoxy, phenyl-lower alkyl or certain heterocyclic group |
| 3971776 |
Thio-.beta.-lactam penicillins |
July 27, 1976 |
| Thio-.beta.-lactam penicillins of the general formula ##EQU1## wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, trihaloethyl, alkali metal or alkaline earth metal; R.sub.1 is hydrogen, lower alkyl, cycloalkyl, phenyl, lower alkoxyphenyl, phenoxy, phenyl-lower alkyl or cert |
| 3944544 |
Bis-cephalosporins |
March 16, 1976 |
| Derivatives of difunctional compounds such as dicarboxylic acids, diisocyanates or diisothiocyanates wherein each functional group is reacted with 7-aminocephalosporanic acid or 7-aminodesacetoxycephalosporanic acid possess antibacterial activity. |
