Zaffaroni Alejandro: Novel drug delivery device. Alza Corporation, Ciotti Thomas E, Sabatine Paul L, Mandell Edward L, November 25, 1975: US3921636 (287 worldwide citation)

A drug delivery device for administering drug at a controlled rate for a prolonged period of time is disclosed. The device comprises a plurality of reservoirs containing drug distributed through a matrix. The reservoirs and the matrix are formed of materials permeable to passage of drug. The rate of ...

Child Edward T: Production of methane-rich gas. Texaco Development Corporation, Whaley T H, Ries C G, Brent Albert, November 25, 1975: US3922148 (242 worldwide citation)

This is an improved continuous process for producing a clean methane-rich gas stream without the concomitant formation of particulate carbon which would ordinarily decrease the efficiency of the process and shorten the life of the catalyst. By-product superheated steam is simultaneously produced at ...

Hulka Jaroslav Fabian: Controlling forceps. Research Corporation, Stowell Harold L, November 25, 1975: US3921641 (220 worldwide citation)

A uterine controlling forceps particularly useful for manipulation of the soft post-abortal or post-partum uterus during laparoscopic sterilization consists of a pair of tips gently curved to rise about 90.degree. to parallel side-by-side shank portions, a pair of generally rectilinear handle member ...

Lumsden James Ray: Remote meter reading transponder. Larson Taylor and Hinds, November 25, 1975: US3922492 (164 worldwide citation)

A system for remotely reading, storing and transmitting the current reading of a plurality of utility meters to a central computer. Each remote location using a utility is fitted with a transponder which is connected to the various utility meters. The transponders are capable of receiving pulses fro ...

Bardani Frank M: Implant device. Simon Esq Morton S, November 25, 1975: US3921632 (150 worldwide citation)

A tubular member has a central longitudinal axial bore therethrough, a pointed elongated annular concavely bevelled implanting end and a charging end. The implanting and charging ends communicate with the bore. A first plunger having a solid pointed elongated annular concavely bevelled implanting en ...

Clendinning Robert A, Potts James E, Cornell Stephen W: Transplanter containers made from biodegradable-environmentally degradable blends. Union Carbide Corporation, O Connell James J, November 25, 1975: US3921333 (108 worldwide citation)

Biodegradable-environmentally degradable transplanter containers are formed from a biodegradable thermoplastic polymer, e.g., poly(epsilon-caprolactone) or poly(ethylene adipate), and an environmentally degradable normally-solid ethylene polymer based composition.

Jerabek Robert D, Marchetti Joseph R: Self-crosslinking cationic electrodepositable compositions. PPG, Uhl William J, November 25, 1975: US3922253 (107 worldwide citation)

It has been found that aqueous coating compositions comprising the reaction product of a partially-blocked organic polyisocyanate, an amine adduct of an epoxy group-containing resin and a catalyst for urethane formation can be electrodeposited. These compositions deposit on the cathode to provide co ...

Bennie Annette, Reed Norman Leonard: Inhaler for powdered medicament. Bespak, Browne Beveridge DeGrandi & Kline, November 25, 1975: US3921637 (102 worldwide citation)

An inhaler for powdered medicaments comprises a housing having a chamber for receiving a capsule containing a dose of the medicament to be dispensed. A duct in the housing has one end open to the atmosphere and the other end of the duct has its outlet in a mouthpiece which may be inserted into the m ...

Brewer Andrew I: Fragrant animal litter and additives therefor. Star Kist Foods, Fulwider Patton Rieber Lee & Utecht, November 25, 1975: US3921581 (100 worldwide citation)

There is disclosed a composition suitable for use as a pet litter additive which is moisture sensitive to release a fragrance. The composition is in the form of consolidated particles of a perfume agent and a solid excipient of molded, finely subdivided powder as a carrier therefor and including a b ...

Bettoli Phillip S: Composite shingle. GAF Corporation, Pennie & Edmonds, November 25, 1975: US3921358 (97 worldwide citation)

A composite roofing shingle includes a rectangular sheet having a butt portion which is divided into spacedapart tabs and an elongated strip which is secured to the butt portion underlying at least one of the tabs. In a first embodiment, the elongated strip is interwoven with successive tabs; in a s ...