...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 4810297 | Process for producing dimethylaminomethyl copper phthalocyanine and/or its derivatives Dimethylaminomethyl copper phthalocyanine and/or its derivative represented by the general formula, ##STR1## wherein CuPc represents a copper phthalocyanine residue, X represents a hydrogen atom, a halogen atom, the group --SO3 H or the gr... | 03/07/1989 |
| 4639477 | Process for coloring high-molecular organic material, and novel metal complexes of oxime(s) of o-hydroxy benzaldehyde(s) and ketone(s) Process for mass-coloring high-molecular organic material, which comprises using a metal complex of the formulae I and/or Ia ##STR1## in which R is a hydrogen or chlorine atom or a methyl or methoxy group, R1 is a hydrogen atom, C1 | 01/27/1987 |
| 4348239 | Process for coloring organic material of high molecular weight A process for the mass coloration of organic material of high molecular weight, which comprises the use of a mixture of anthraquinone compounds of the formula: ##STR1## wherein n is 1 or 2, R, if n is 1, represents a substituted or unsubstituted... | 09/07/1982 |
| 4221606 | Phthalocyanine pigment compositions A phthalocyanine pigment composition comprising (A) 100 parts by weight of phthalocyanine pigment, (B) a specific phthalocyanine derivative and (C) a polyvalent metal salt of an anionic surface-active agent, the compounds (B) and (C) being contained in a ... | 09/09/1980 |
| 4087404 | Polymers stabilized with substituted 2-(piperidinyl-4')-ethyl alcohol and salts thereof A composition comprising an organic material and, as stabiliser, a compound having the formula ##STR1## and salts thereof, wherein R1 and R2 are the same or different and each is an alkyl residue having from 1 to 12 carbon atoms... | 05/02/1978 |
| 4070367 | Isoindolinone pigments and process for their manufacture Isoindolinone pigments of the formula ##STR1## WHEREIN R represents an aliphatic or cycloaliphatic radical, a cycloaliphatic, aromatic or heterocyclic radical to which the oxygen atoms are attached through alkyl or alkoxy groups, V1 and V | 01/24/1978 |
| 3963693 | Quinolone azo barbituric acid pigments Monoazo pigments of the formula ##SPC1## Wherein X denotes an O or S atom or an imino group, Y denotes an O atom or an imino group, and X1 and Y1 denote H or halogen atoms, or alkyl or alkoxy groups are prepared. The pigments are use... | 06/15/1976 |