Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 3960745 | Cleansing compositions The disclosure relates to cleansing compositions containing a soluble salt of chlorhexidine, a polyoxyethylene-polyoxypropylene block co-polymer and an inert diluent or carrier.... | 06/01/1976 |
| 3960781 | Isocyanate-capped surface active compositions and methods of using them Diaryl urethanes made by capping poly (oxyalkylene) diols with monoisocyanates are characterized by a desirable hydrophobe/hydrophile balance typically evidenced by low cloud points, the ability to form micelles in aqueous media, the ability to reduce sta... | 06/01/1976 |
| 3959462 | Hair care products containing flourocarbon polymers for keeping hair cleaner longer A process for keeping hair cleaner longer by applying to the hair a fluorine-containing polymer and products containing such polymers.... | 05/25/1976 |
| 3957970 | Improved shampoo containing an ester of polyethylene glycol, urea or thiourea and a polysiloxane An improved shampoo composition is provided which comprises a synthetic detergent or a mixture comprising 50 to 60 percent by weight of a soap and 40 to 60 percent by weight of a synthetic detergent, the improvement which comprises the addition of a compo... | 05/18/1976 |
| 3957672 | Displacement of organic liquid films from solid surfaces by non aqueous systems A non-aqueous liquid surface-active composition for displacing aqueous or ganic liquid films from solid surfaces. The composition contains fluorinated polyethers having the formula and may include a fluoro-alcohol, or a fluoro-acid a fluorinated diester s... | 05/18/1976 |
| 3956401 | Low foaming, biodegradable, nonionic surfactants Low foaming biodegradable, liquid, non-gelling and nonionic surfactants are claimed having the formula: ##EQU1## wherein R is a linear, alkyl hydrocarbon having an average from about 7 to 10 carbon atoms, R' is a linear, alkyl hydrocarbon of about 1 ... | 05/11/1976 |
| 3956155 | Textile fibrous cleaning structures The invention relates to textile fibrous structures impregnated with nonionic surface active agents and suitable for cleaning purposes, in which the textile fibrous structures are built up from water-insoluble high polymers with a content of carboxyl grou... | 05/11/1976 |
| 3954644 | Flexible contact lens cleaning, storing, and wetting compositions A contact lens cleaning, storing and wetting solution is provided for cleaning, storing and wetting flexible silicone contact lenses. The solution comprises a poly (oxyethylene)- poly (oxypropylene) block copolymer having a molecular weight between about ... | 05/04/1976 |
| 3954648 | Coatings removal composition containing an alkali metal hydroxide, an oxygenated organic solvent, and an amine This invention relates to liquid compositions and methods of using them for removing coatings from coated metal surfaces, particularly metals, and especially those metals subject to attack by corrosive liquids. The compositions comprise from one-fourth to... | 05/04/1976 |
| 3954642 | Impregnated textile fibrous structures for cleaning purposes The invention relates to textile fibrous structures suitable for cleaning purposes and impregnated with surface-active agents, in which the textile fibrous structures are built up from water-insoluble high polymers with a content of carboxyl groups able t... | 05/04/1976 |
| 3950510 | Conditioning shampoo containing a water-insoluble hair cosmetic agent A shampoo which imparts various cosmetic attributes to the hair, ranging from gloss and condition to body and manageability comprises an aqueous solution of a surfactant and a hair cosmetic agent, for example a wood rosin or a polyketone resin maintained ... | 04/13/1976 |
| 3944663 | Mild light duty detergent containing homopolymers of ethylene oxide Mild light duty detergent formulation including an anionic surfactant having skin irritating characteristics and an effective amount of a homopolymer of ethylene oxide to reduce said skin irritation.... | 03/16/1976 |
| 3943165 | Esters of carboxymethyloxysuccinic acid and derivatives thereof There are disclosed herein novel ester compounds which can be used as detergent solvents and plasticizers for resins, the compounds having the general formula: ##EQU1## wherein R1 is selected from the group consisting of --H and --CH | 03/09/1976 |
| 3943178 | Secondary alcohol ether ethoxylates Secondary alcohol ether ethoxylates having the formula ##EQU1## wherein R1 is an aliphatic hydrocarbon radical with 4 to 18 carbon atoms, R2 is an aliphatic hydrocarbon radical with 1 to 10 carbon atoms, x and y are integers 0 a... | 03/09/1976 |
| 3939090 | Antifogging cleaner There is disclosed a composition comprising approximately by weight (a) 0.01 to 0.1% of a copolymer of (1) an ethylenically unsaturated polymeric anhydride or partial ester and (2) an ethylenically unsaturated monomer; (b) up to 10% of at least one lower ... | 02/17/1976 |
| 3933672 | Controlled sudsing detergent compositions Detergent compositions having an effective suds controlling agent comprising a silicone material which is substantially removed from contact with the surfactant component of the composition.... | 01/20/1976 |
| 3933670 | Process for making agglomerated detergents A mixture of non-agglomerated particles of condensed phosphate salt, detergent builder salt and solid chlorine-releasing agent are agglomerated (i.e. formed into composite, enlarged particles) on an inclined, generally planar sliding bed. The residence ti... | 01/20/1976 |
| 3932295 | Detergent composition A bleaching detergent composition comprising a percarbonate and polyethylene glycol or polyvinyl pyrrolidone or a mixture thereof.... | 01/13/1976 |
