| Patent No. | Patent Title: |
| 4059595 | Process for preparing 3-oxy-4H-pyran-4-one derivatives |
| 4057419 | 2,4-Bis-(trifluoromethyl)-6-nitrophenol compounds and herbicidal ... |
| 4056564 | Dihydroxy sulphonates containing ether structures |
| 4054581 | Preparation of cis-1-hydroxy-3-substituted-6,6-dimethyl-6,6a... |
| 4054580 | Process for producing 2,2,4-trimethyl-6-hydroxy-7-substituted chr... |
| 4054582 | Process for converting cis-hexahydrodibenzo[b,d]pyran-9-ones to ... |
| 4054583 | Process for converting 2,7-dihydroxy-5-isopropylidene-9-subs... |
| 4054599 | Sulfoxidation process |
| 4053499 | O,S-Dialkyl O-sulfonyloxyphenyl phosphorothiolates and phosp... |
| 4052445 | Process for the production of alkyl sulfonic acids |
| 4052444 | N-(aminobenzoyl)-aminoarylsulfonic acids |
| 4051176 | Ureidophenylenebis(carbonylimino)dinaphthalenetrisulfonic acid co... |
| 4051177 | Process for the preparation of unsaturated amino compounds |
| 4051152 | Oxo C-ring benzopyrans |
| 4048195 | Process of synthesizing substituted indanones |
| 4048221 | Diols containing sulphonic acid groups based on dihydroxy alkenes |
| 4046804 | Process for preparing a novel benzylamine hydrate |
| 4046805 | Substituted-hydroxy-naphthalenedisulfonic acid compounds |
| 4046806 | Method of preparing a disalt of 3,3-sulfonylbis (6-hydroxybenzene... |
| 4045452 | Steroid total synthesis process utilizing a cyanoalkyl A-ring pre... |
| 4045610 | Antibiotics designated XK-88 series |
| 4045451 | 2-(Methylthio)naphtho[1,3-bc]pyran-3(2H)-one |
| 4039559 | Aliphatic carboxylic acid esters of Vitamin E and process for ... |
| 4036857 | Benzopyrans having an unsaturated side chain |
| 4034001 | Bis-amidoalkanesulfonic acids and salts thereof |
| 4031125 | 3-Sulfonate ester of 2,3-dihydroxypropylamine |
| 4029677 | Spirodipyrans useful as dye precursors for copying processes |
| 4026907 | Antioxidant chroman compounds |
| 4026926 | Process for the preparation of methallyl sulfonic acid and its sa... |
| 4026940 | Process for producing alpha-sulfophenylacetic acid derivatives |
| 4025535 | Sulfoalkylated flavanone sweeteners |
| 4025516 | Process for the preparation of (-)-6a,10a-trans-6a,7,8,10a-t... |
| 4025542 | Novel ethers, their preparation and use as oxydimethylating agent... |
| 4025544 | O-alkylsulfonylglycolic anilides |
| 4025536 | Tri-cyclic compounds derived from thiaphloroglucinol ethers |
| 4024160 | Substituted 2-amino chromones and process for the preparation the... |
| 4018798 | Substituted (4-oxo-4H-1-benzopyran-2-yl)cyclopropane carboxylic a... |
| 4018799 | Antioxidant chroman compounds |
| 4016178 | Synthesis of vitamin E |
| 4014926 | Fluorinated sulfonic acids and derivatives thereof |