Patents
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Patents for 1980 (299)
09/1980
09/09/1980US4221708 Method for polymerization of lignin
09/09/1980CA1085422A1 Basic benzyloxyalkyl derivatives
09/09/1980CA1085420A1 1-aminomethyl-1-cycloalkane-acetic acid
09/09/1980CA1085307A1 Laser read-write system for the production of engravings
09/09/1980CA1085124A1 Injection molding same cycle control
09/02/1980US4220659 1-Phenoxy-2-hydroxy-3-alkynylamino-propanes and salts thereof
08/1980
08/26/1980US4219016 Vaginal contraceptive
08/26/1980CA1084550A2 Off-road vehicle
08/26/1980CA1084356A1 No-gel latex foam
08/26/1980CA1084339A1 Compressible printing blanket and method of manufacture
08/26/1980CA1084293A1 Concrete mold fastening device and tool for said device
08/26/1980CA1084220A1 Retreading mold
08/26/1980CA1084216A2 Automatic swimming pool cleaner
08/19/1980US4218394 Preparation of unsaturated nitriles
08/19/1980CA1084063A1 Basic non-carbonated magnesium compositions and fuel, lubricant and additive concentrate compositions containing same
08/19/1980CA1084027A2 Web cassette with cartridge load
08/12/1980USPP4587 Apple tree (Ace strain)
08/12/1980US4217303 Unsaturated hydrocarbon, adduct, unsaturated dinitrile, by-product inhibition
08/12/1980CA1083453A1 Solar energy collection system
08/12/1980CA1083347A1 Thermosensitive recording material
08/12/1980CA1083318A1 Method for improving impact strength in high nitrile polymers by stretching and heat setting
08/12/1980CA1083317A1 Compact die closing unit for injection molding machine
08/05/1980US4216201 Cosmetic emulsion compositions having skin moisturizing properties
08/05/1980CA1083176A2 .alpha.-SUBSTITUTED NEGAMYCIN DERIVATIVES AND SYNTHESES
08/05/1980CA1083175A2 .alpha.-SUBSTITUTED NEGAMYCIN DERIVATIVES AND SYNTHESES
08/05/1980CA1083024A1 Interchange and alignment apparatus and method for heated platen heat sealing machine
07/1980
07/29/1980USRE30349 Easy-opening container wall with coreline vent
07/29/1980CA1082740A1 Aryl perfluoro-alkyl ethers and method of producing them
07/29/1980CA1082665A1 Strap dispensing apparatus and system
07/29/1980CA1082547A2 Solar energy collector module system
07/29/1980CA1082546A2 Solar energy collector module system
07/29/1980CA1082415A1 Method and apparatus for pre-expanding and molding expandable thermoplastic polymer particles
07/22/1980CA1082332A1 Bidirectional monitoring and control system
07/22/1980CA1082297A1 Method and apparatus for generating graphic design
07/22/1980CA1082221A2 Polysulfone resins
07/22/1980CA1082096A1 Rasping tool
07/22/1980CA1082089A2 Method and apparatus for continuously attaching discrete, stretched elastic strands to disposable absorbent products
07/22/1980CA1082087A2 Method and apparatus for continuously attaching discrete, stretched elastic strands to disposable absorbent products
07/22/1980CA1082086A2 Method and apparatus for continuously attaching discrete, stretched elastic strands to disposable absorbent products
07/22/1980CA1082067A1 Solar heater units
07/22/1980CA1082026A1 Polyvinyl alcohol partially esterified with dicarboxylic acid to provide oxygen excluding overcoat for printing plate
07/15/1980USPP4574 Strawberry plant
07/15/1980USPP4573 Strawberry plant
07/15/1980USPP4572 Peach cultivar
07/15/1980USPP4570 Nectarine tree
07/15/1980US4212821 Process of making diaminodiphenylmethanes
07/15/1980CA1081849A2 Sequential encoding and decoding of variable word length fixed rate data codes
07/15/1980CA1081813A1 Electrical connector for connecting ic packages to a p.c.b.
07/15/1980CA1081711A1 1-phenylguanidines
07/15/1980CA1081709A1 Phenylamidino urea compounds
07/15/1980CA1081684A1 Rock drill
07/15/1980CA1081666A1 Folding clothes hanger
07/15/1980CA1081420A1 Injection welding apparatus
07/15/1980CA1081408A1 Sandal construction
07/08/1980USPP4566 Nectarine tree
07/08/1980US4211722 Formaldehyde stabilization of acrylonitrile against color
07/08/1980CA1081253A1 Lysine 4-allyloxy-3-chlorophenylacetate and method of its preparation
07/08/1980CA1081111A1 Adjustable tube shade roller
07/08/1980CA1081067A1 Solar panel
07/01/1980US4210533 Remote control valve for reverse osmosis water purifier
07/01/1980CA1080748A1 Two stage catalytic hydrogenation of olefinically unsaturated dinitriles
07/01/1980CA1080747A1 Hydrogenation of unsaturated nitriles
07/01/1980CA1080742A1 Pesticidal 1,3,5-triaza-4-sulpha-1-phenylhept-1-ene derivatives
07/01/1980CA1080659A1 Opening and emptying of bags filled with bulk materials
07/01/1980CA1080565A1 Solar energy collector
07/01/1980CA1080526A1 Retriever training gun with pistol type handle
06/1980
06/24/1980US4209480 Compressing, rolling and sintering mixture of carbon fibers and fluoropolymer
06/24/1980US4209464 Chemical rearrangements and reduction
06/24/1980CA1080069A1 Solar heater
06/17/1980CA1079712A1 Percussive action pneumatic device for drilling holes in soil
06/17/1980CA1079469A2 Method of and apparatus for making reclosable bags
06/11/1980EP0011843A2 Developing components for hair oxydation dyes, their preparation and hair dyes containing them
06/10/1980US4207263 Manufacture of secondary amines by alkylating ammonia with alcohols
06/10/1980US4207262 Treating with phosphoric acid or esters
06/10/1980US4206819 Dumping bulldozing assembly for a farm tractor
06/10/1980CA1079076A1 Cutter pin for rotary mower
06/10/1980CA1079020A1 Apparatus for simultaneously cutting, sealing and stitching thermoplastic material
06/03/1980US4206204 Iodophor compositions containing tertiary amine oxides
06/03/1980US4206145 Hypolipidaemic compounds and compositions
06/03/1980CA1078869A2 Process for the preparation of novel benzylamines
06/03/1980CA1078745A1 Ear-plug
06/03/1980CA1078572A1 Injection molding process
05/1980
05/27/1980USPP4540 Prunus subhirtella
05/27/1980US4205185 Process for preparing racemic 4-hydroxyphenylglycine
05/27/1980CA1078306A1 Method and apparatus for sealing a pipeline leak
05/27/1980CA1078121A1 Injection blow molding of container open at both ends
05/20/1980US4204055 Cross-linked cellulose fibers
05/20/1980US4204054 Predominantly surface to impart flexibility and smoothness; binder added for strength and cohesion
05/20/1980US4203885 Process for the mononitration of anthraquinone
05/20/1980CA1078037A2 Electrical connector for a substrate
05/20/1980CA1077668A1 Method for forming involute plastic articles from thermoplastic sheet material
05/20/1980CA1077665A1 Screen changer with pre-fill screen blocks
05/13/1980US4202836 Acetoxyalkyl cyanoacetate intermediates in the manufacture of copolymerizable, ultraviolet light absorber compounds
05/13/1980US4202684 Carbanilic acid esters, process for making the same and herbicidal compositions containing same
05/13/1980CA1077627A1 Method and apparatus for speech detection on pcm multiplexed voice channels
05/13/1980CA1077225A1 Fixture hanging assembly
05/13/1980CA1077222A1 Method of making ornamental plastic articles
05/06/1980CA1077148A2 Electrical connector for a substrate
04/1980
04/29/1980CA1076677A1 Apparatus for control of operation of overdrive mechanism in vehicle
04/29/1980CA1076338A1 Isomerization for photochemical solar energy storage
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