Albert Hettche
37Patents
13h-index
70Co-inventors
84Inventor score
Filing activity: Jan 2, 1976 → Jul 6, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4725655A | Preparation of copolymers of monoethylenically unsaturated mono- and dicarboxylic acids and anhydrides | Chemistry; Metallurgy | 42 | Expired |
| US4647396A | Copolymers for detergents and cleaning agents | Chemistry; Metallurgy | 42 | Expired |
| US4559159A | Copolymers, their preparation and their use as assistants in detergents and cleansing agents | Chemistry; Metallurgy | 40 | Expired |
| US4624803A | Fatty alcohol oxyalkylates, possessing blocked terminal groups, for industrial cleaning processes, in particular bottle-washing and metal-cleaning | Chemistry; Metallurgy | 30 | Expired |
| US5710228A | Maleimide/.alpha.-olefin copolymers and their use as light stabilizers and stabilizers for organic material | Chemistry; Metallurgy | 24 | Expired |
| US4693909A | Aqueous wax dispersions as preservatives for metal surfaces and surfaces of coatings, their use and a process for preserving metal surfaces and surfaces of coatings | Chemistry; Metallurgy | 22 | Expired |
| US5064908A | Oxidized polyethylene and use as lubricant for polyvinylchloride | Chemistry; Metallurgy | 21 | Expired |
| US5175361A | Preparation of copolymers of monoethylenically unsaturated monocarboxylic acids and dicarboxylic acids | Chemistry; Metallurgy | 21 | Expired |
| US4695397A | Granular bleaching activator | Chemistry; Metallurgy | 19 | Expired |
| US4459388A | Preparation of emulsifiable polyethylene by oxidizing polyethylene in a fluidized bed reactor | Chemistry; Metallurgy | 19 | Expired |
| US6056967A | Method of producing water-soluble condensates and addition products containing amino groups, and use of said condensates and addition products | Textiles; Paper | 18 | Expired |
| US4340766A | Dishwashing agents and cleaning agents containing oxybutylated higher alcohol/ethylene oxide adducts as low-foaming surfactants | Chemistry; Metallurgy | 17 | Expired |
| US4702858A | Washing agents containing, as additives, carboxyl-containing copolymers which are neutralized or amidated with amines | Chemistry; Metallurgy | 15 | Expired |
| US4698174A | Additives for detergents and cleaning agents | Chemistry; Metallurgy | 12 | Expired |
| US5972237A | Use of heterocyclic compounds as activators for inorganic peroxy compounds | Textiles; Paper | 12 | Expired |
| US4614604A | Lubricants for shaping polyvinyl chloride, which contain esterified oligomeric polyhydric alcohols | Chemistry; Metallurgy | 10 | Expired |
| US4753885A | Foam control in the sugar industry and in the yeast industry | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4914167A | Polymeric organic acids, their preparation and their use in detergents and cleansers | Chemistry; Metallurgy | 9 | Expired |
| US4750933A | Floor polish emulsions based on ethylene copolymer | Chemistry; Metallurgy | 8 | Expired |
| US4344862A | Reaction products of sulfonamido-carboxylic acids or carboxamido-carboxylic acids with alkanolamines, and their use as low-foaming corrosion inhibitors | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4438008A | Lubricant, containing esterified ethylene/acrylic acid or ethylene/maleic acid copolymers as the active ingredient, for moulding chlorine-containing thermoplastics | Chemistry; Metallurgy | 7 | Expired |
| US4417035A | Emulsifiable hard waxes consisting of copolymers of ethylene with unsaturated carboxylic acids | Chemistry; Metallurgy | 6 | Expired |
| US4670524A | Preparation of water-soluble polymer powders and their use | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4496439A | Acidic zinc-plating bath | Chemistry; Metallurgy | 5 | Expired |
| US4212709A | Acidic nickel electroplating bath containing sulfobetaines as brighteners and levelling agents | Chemistry; Metallurgy | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.