Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 4020056 | Di-vinyl phthalides color formers A chromogenic compound of normally colorless form is disclosed having the following structural formula: ##STR1## wherein A and B can be ##STR2## X, Y and Z can be, among several others, hydrogen, alkyl, alkoxy, aryl, and heterocyclic, subst... | 04/26/1977 |
| 4013690 | Organic compounds This invention provides compounds of formula I, ##STR1## wherein R1 is alkyl of 1 to 10 carbon atoms, cycloalkyl of 3 to 8 carbon atoms or phenyl, and R2 is hydrogen or alkyl of 1 to 4 carbon atoms, Useful as anti-phlogistics, anti-p... | 03/22/1977 |
| 3957827 | Hydrogenation of carboxylic acid anhydrides to lactones or esters by homogeneous catalysis γ-Lactones may be selectively prepared by the hydrogenation of cyclic carboxylic acid anhydrides under mild conditions in a homogeneous solution in the presence of a ruthenium catalyst of the formula ##EQU1## WHEREIN X is hydrogen, chlorine, bromine... | 05/18/1976 |
| 3956292 | 7-(-FUROYLUREIDOARYL AND CYCLOHEXADIENYLACETAMIDO) CEPHALOSPORIN ANTIBIOTICS New cephalosporin antibiotics of the general formula ##SPC1## Characterized by an 7--furoylureido or -thenoylureido substituent and a 3-heterocyclic thiomethyl substitutent are provided. These cephalosporins and the pharmaceutically acceptab... | 05/11/1976 |
| 3954799 | Protonated indole phthalides and naphthalides This invention relates to protonated compounds of the formula: ##SPC1## Wherein A is a radical selected from ##SPC2## X represents the atoms necessary to complete a ring-closing moiety selected from phthalide and naphthalide; and Z is an anion derived fro... | 05/04/1976 |
| 3936437 | Monoazo compounds derived from 2-hydroxymethyl-amino benzoic acids and 2,6-dihydroxypyridines The disperse monoazo dyestuffs, free from sulphonic acid groups, which are represented by the formula: ##SPC1## Wherein X is alkyl, substituted alkyl, phenyl or optionally substituted carbamoyl; Y is a hydrogen atom or a substituent; and Z is a hydrogen a... | 02/03/1976 |
| 3931228 | Process for preparing phthalide and naphthalide indicator dyes This invention relates to a process of preparing phthalein indicator dyes including phthalides and naphthalides derived from certain hydroxy-substituted carbocyclic aryl compounds, such as phenols, and from certain N-heterocyclic aryl compounds, such as i... | 01/06/1976 |
